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27 September 2008 @ 05:20 pm
Fic: Margin of Error ~ (1/1)  

Title: Margin of Error

Author: ClawofCat

Timing: AtS, Season 3

Rating: NC-17

Pairing: Fred/Gunn

Warnings: Sexual situations

Summary: Fred discovers the perks of the job when Gunn comes home with a surprise for her after killing a demon.


A/N: For louise39, who gave me the prompts of “science” and “glass.” I’ve never written either Fred or Gunn before, so concrit is welcome. I could have taken the fic in a very dark direction with a prompt like glass, but it’s very light-hearted and sweet. Enjoy!



“Fred? I’m back!” Gunn jogged across the empty Hyperion lobby and took the stairs two at a time, swinging a brown paper bag in one hand and an axe in the other. He called her name again when he reached their bedroom door and rapped lightly before entering. Stretched out on their bed, Fred lay on her stomach absorbed in de Broglie’s Guide to Quantum Theory, her chin propped on her hands. Gunn laughed as she kicked her bunny-slippered feet and chewed on her pen, the dancing polar bears on her flannel night shirt smiling at him cheerfully.


“You can take the girl out of physics, but you can’t take physics out of the girl. How’s that light reading coming?” he asked, pointing at the thick hard cover.


“Pretty good!” she chirped. “I was just thinking how my string theory’s been a little rusty.” Dog-earing the page she was on, Fred slammed the book shut and rearranged herself so she sat Indian style. “It never hurts to do some brushing up,” she added. “So, how’d it go? Did you guys get that Maloreck demon?”


“Sure did. That boy won’t be growin’ back any of his five heads. I took care of that,” he crowed, brandishing his axe.


“Cool! And hardly any green goo on those new jeans, either. For awhile there, I thought the washing machine was gonna explode after all the loads we were throwin’ in.”


Looking past Gunn and into the hall, she frowned. “Did you or Wesley keep the endocrine glands on ice, like I asked? They’re only viable for twenty minutes post-mortem. I’ve been wanting to study them and –


“Hey, hey…” Gunn reassured her, dropping down on the edge of the bed. “It’s all good. They’re in the cooler. Angel’s got the car right now, but as soon as he gets back you’ll be able to poke and prod your new playthings.”


Fred smiled sheepishly. “Sorry. I’ve been getting all the lab equipment prepped downstairs. And, I’m a little excited. It’s stupid,” she insisted with a wave of her hand. “Anyway, now that that’s all accounted for,” she laughed, “what’s in the bag?”


“Can’t get anything by you,” Gunn said, kissing her brow. He went to prop the axe by the door and shrugged out of his jacket.


“You’ve been so caught up in this new project, I thought it’d be good for you to take a breather, relax. So, I picked up a little something for the job.” Spinning around, he reached into the bag in question and theatrically paused like a magician about to pull a rabbit of a hat.


“That’s so sweet of you,” Fred sighed. “Don’t keep me waitin,’ though!” she cried, bouncing on the edge of their bed eagerly.


“Alright, cowgal. Hold your horses.” Gunn grinned and slowly pulled his hand out of the bag. “How about riding this puppy?”


Fred’s eyebrows shot up with astonishment. Gripped in his fist was a clear, glass dildo. He frowned when she squeaked and continued to stare wide-eyed, her mouth puckered into a surprised O. Gunn rubbed the back of his neck and cleared his throat. “On the topic of play things…” he muttered, waving his purchase.


“That… oh ma gosh!” Fred blushed furiously and fiddled with her glasses. “Charles, where on earth did you get that thing!?”


“Uh, heh, funny story. While Wes and Angel were playing coroner, I went to bring the car around. We were parked a few blocks away and on the way there I might have stumbled into a, uh…” He shrugged helplessly.


“Porn shop,” Fred supplied.


“Right. I was just browsing, killing time – ”


“Lookin’ at titty mags.” She gave him a knowing look.


He put his hand over his chest, mock affronted by the comment. “Now that’s an assumption right there, and you know what those make out of you and me. To set the record straight, I was looking for something for us. I got to chatting with the guy at the register and he suggested this baby.” He weighed the dildo in much the same way he had his axe – with confidence and ease. “It’s quality.” He stared at it for a moment, wrinkling his brow. “And it looks kinda like a really thick test tube.”


Fred wasn’t convinced. “Well, sure. If test tubes curved up at the end so that they could stimulate your G-spot.” She snatched it from his hands and turned it over, examining its smooth surface. “How did you afford this, anyway? It looks like it’s gotta be kinda pricey.”


Gunn crossed his arms. “We’re all salaried here. Not like I got myself a Ferrari or anything. I thought you’d like it, which…” He paused to watch her jab the air with it like an airplane. “I’m still not sure about.”


She tilted her head sideways and flipped it so that the curved head pointed downward. “You know, if ya turned it over, it wouldn’t be half bad for stimulating a prostate either.” Fred stole a quick glance at Gunn, a saucy smile slowly spreading across her face.


“Oh, hell no! You’re not boldly going where no man or woman has gone before. That ain’t no Star Trek Enterprise,” he protested, an accusatory finger pointing at the innocuous dildo.


Fred sighed with disappointment. “I’m more of a Captain Janeway, anyway,” she admitted and let the dildo drop onto the comforter beside her. She pouted and crossed her arms with a little huff.


“Janeway, huh?” He hated to see Fred look so put out, like a kid who just had her favorite toy snatched from her. His mind raced, but quickly stopped on an idea that would end her sulking. Sometimes you just had to think outside the box.   


Thrusting his hips out boldly, he hooked his fingers into his belt loops. “Guess that means that I’m The Doctor. Robert Picardo and I’ve got the whole shaved head, male pattern balding thing in common, you know?” Gunn picked up Fred’s discarded lab coat from a chair and draped it over his shoulders. “What do you think?” he asked, turning to her in the too-small coat. “Do I look the part?”


Fred’s eye lit with her excitement. “You’re not wearing any gloves,” she pointed out as a faint blush started to dust her cheeks. 


“No problem. Got a quick fix for that.” Gunn rifled around in the coat’s pockets and produced a pair of latex gloves. When he pulled the fingers of the gloves and released them with a snap like a striptease artist, Fred quickly scooted back against their headboard. With the Doctor now on duty, Gunn slipped out of his shoes and joined her on the bed, their lips meeting in a heated kiss.


“Now, Ms. Burkle,” Gunn whispered, adopting a professional tone as he palmed her cheek. “You’re going to be in my care for the duration of the evening, so I want you to relax.” His hands ran under her shirt and over her hips, which she lifted so he could pull off her panties. Her bunny slippers soon followed and sailed over Gunn’s head. They bounced and hit the floor with a muted thud.


“I’m here to serve your needs and to heal whatever’s ailing you. “So…” One big hand rubbed across her belly and into her pubic hair. She let her legs drop open and worried her lip with anticipation. “Please state your medical emergency.”


He watched her think about it for a moment. Fred’s hands then dropped down to frame her sex, one finger dipping in to dab at her arousal. “Well, I’ve been having this burnin’ sensation down here lately,” she explained. “It just won’t go away no matter what I do. Maybe you could help with that?” She pulled at her clit idly. The ball was in his court.


“I’m going to have to perform a few diagnostics,” he announced, pulling on the gloves and unbuttoning his pants so that his cockhead could spring over his waistband. “Through trial an error we’ll get to the bottom of this.” He arched a brow when Fred kneaded her ass checks and nodded soberly, trying to keep from laughing. “It just might take a little… experimentation.” 


Dropping down to lay between her outspread thighs, Gunn spread her lips apart with two gloved fingers and began to lick her pussy in maddeningly slow strokes. She bumped his chin with her impatient movements, her fingers restlessly pulling at the bed sheets. Playing patient was a role reversal that she was taking to like a charm.


“I suspect the root cause of your problem lays deeper inside,” Gunn started to say and spread her entrance wide, the skin stretching taught while he held her open. “I’ll need to resort to more invasive measures.” She cried out, her hips convulsively twitching when his tongue followed suit and slipped inside her.  


“Charles,” she whined, humping his face with frantic rotations of her pelvis. “You’re not makin’ that burning any better.” She groaned when he pushed two fingers in and began corkscrewing them from side to side. “But – but that might help.”


Fred writhed against his hand, bracing herself with her elbows, and ground down onto his fingers with quick jabs of her own. Whether it was in the lab or in bed, she was always thorough and passionate about reaching a desired result.


One of her hands roved across the bed and encountered the dildo. She panted hard as Gunn worked another finger into her. “Use this,” she groaned and dropped it onto her belly, the cylinder rocking back and forth across her night shirt with each flex and shudder. “Now!” It looked like it was a wise investment, after all.


Gunn snatched it up and pressed the cool glass to her opening, rolling the head around her entrance, slicking it with her lubricant. One experimental push proved it wasn’t enough.


“Fuck.” Gunn picked it up and squeezed Fred’s knee. “You better open your eyes cause I’m only doing it this one time.” Squinting up at him, she bucked hard when he brought the dildo up to his lips to quickly lick the knob and roll the head around in his mouth. He grimaced. She was never going to let him live this down. All thoughts of penis-in-mouth aside, he quickly returned it to her hole and nudged it inside her, the thick girth stretching her wide.


As it sank deeper, the toy was seemingly engulfed as her muscles drew it further in. Shit, is that what he looked like when they were doing the nasty? He glanced down at his own cock, a lonely spectator to all this pussy-bustin’ action.


“How’s it match up, baby?” Gunn asked, one finger on her clit and the other hand busily jerking the dildo. Fred struggled to answer, her mouth soundlessly working through her pleasure. She thrashed her head and finally let out a ragged scream, her eyes closed tight as her pussy pulsed around the dildo.


“Ooooh, fuuuuck,” she groaned. “Nnnnn!”


Fred yanked the corner of her lab coat off Gunn’s shoulders and dragged him down by his shirt as she continued to ride out her orgasm. “Want you!” she hissed, her fingers swarming into his pants to grab hold of his cock.


“You don’t gotta tell me twice!”


While Fred grasped at him manically, Gunn struggled to shove his pants and boxers down off his ass. “Jesus, Fred. I’m going as fast as I can,” he swore as she continued to fitfully squirm. Nearly tearing is shirt off in the process, Gunn managed to kick his jeans off the rest of the way and wthdraw the dildo. 


“Alright, baby. Here goes,” he warned and thrust smoothly inside. Twin sighs of relief hit the air when he was fully seated. “Nothing like the real thing,” he moaned to her as the discarded dildo clattered to the floor. 

Owenowenthurman on September 27th, 2008 10:53 pm (UTC)
Well, I never really thought of those two as hot. Before now.

Not like I got myself a Ferrari or anything. I thought you’d like it, which…”

Or, you know, a pickup truck.
ClawofCat: freepornclawofcat on September 28th, 2008 12:36 am (UTC)
Well, I never really thought of those two as hot. Before now.
Me either, honestly. I was always more into the idea of Fred and Wes. I'm glad I could sell you on the pairing though. They were a joy to write.

More prompt fics to come soon!
louise39: y Fredlouise39 on September 27th, 2008 11:53 pm (UTC)
Oh! ::claps hands::

I hoped you'd pick Fred. And I am glad you gave her a bit of fun and happiness. She was full of life and seems to have encouraged Gunn in mutual satisfaction.
Fred, to me, was a scientist, a seeker of truths, an intellectual who allowed spots for love and gentleness.
Gunn fits well with her at this time.

“And it looks kinda like a really thick test tube.”
She would think of that! Love your use of the glass prompt.

Very entertaining.
ClawofCat: buffy smileclawofcat on September 28th, 2008 12:31 am (UTC)
I hoped you'd pick Fred. And I am glad you gave her a bit of fun and happiness.
Hee! Well, I'm glad I didn't disappoint. This story was so much fun to write. I was smiling the whole way through. Fred is such a sweet character and has such a tragic end that I had to give her a happy romp in the sack.

Gunn really matches her here because he loves her for her intellect and supports her in her pursuits. I thought it would be funny if she were the one on the other end of the miscroscope, so to speak. A kinky twist on her own nerdy interests.

Love your use of the glass prompt. Very entertaining.
Thanks for suggesting it! These prompts have been wonderful for kicking my muse into gear. It's feels really good to be writing, not to mention all sorts of characters. *big big hugs*

That's a beautiful icon of Fred, btw.
The Anti-OTPsnowpuppies on September 28th, 2008 04:05 am (UTC)
Is it totally wrong of me to say this was adorable?


Seriously, though. Your Fred was magnificent - cute and cute and a little kinky. ;)

You write this pair *very* well and should do so again.

ClawofCat: faithsmileclawofcat on September 28th, 2008 05:01 pm (UTC)
Is it totally wrong of me to say this was adorable?
Not at all! Because it is. In the past I've gnashed my teeth over writing cute and fluffy stories because they were never on my own terms. The two that come to mind were bday stories for other people. But this was felt good because it fit my vision exactly.

And I'm thrilled you liked Fred. She was so sweet and likeable in canon, I wanted to capture that here. I am definately a Fred/Wes fan, but looking back the series she had a really good thing going with Gunn, too. I didn't want to him short shrift him for treating her right.

You write this pair *very* well and should do so again.
Thanks! Maybe I will. My only hesitation is I don't think many people would read it. =/

Lets see if I can't soldier on with the rest of these ficcies. It'll probably take me another two weeks at the rate I'm going. And i should really be working on my Bangel instead for IWRY. Guh.
hello_spikeyhello_spikey on September 29th, 2008 01:17 am (UTC)
oh this is sooooooo cute and sweet and so THEM. Brava! Good characterizations!

And you know, the geekiness doesn't hurt. hee!
ClawofCat: Laughclawofcat on September 29th, 2008 01:38 am (UTC)
*snorfle* It is pretty cute. And I'm over the moon that I got their characterizations right. Fred and Gunn are the type of people who seem like they'd make really goods friends or would be a perfect couple to double date with.

I wanted this scene to feel very natural and light-hearted, the way I like my sex in RL to be (as opposed to angsty, miserableness, woo!). The geek references were fun, too. I've watched the Star Trek series and I actually looked up a famous physicist's name to use as the author of her book on string theory. Always a joy to work in little details like that!
Butterflysnogged on September 29th, 2008 02:07 am (UTC)
Hot damn!

This was deliciously kinky and adorable.

YAY Star Trek references :)
ClawofCat: fangel stakeclawofcat on September 29th, 2008 03:02 am (UTC)
Yay! Glad you enjoyed it. Cute kink just puts a huge, dopey smile on my face. I think BtVS fandom is well known for some of the outrageous kink we put our vampires through. But here I wanted it to seem very familiar and normal, something that we could relate to and tie to our own sex lives.

YAY Star Trek references :)
*grins* They just mysteriously worked their way in there. Dunno how it happened.
zygomat_smile: willsmilezygomat_smile on September 29th, 2008 03:47 am (UTC)
That was so fun...and so believable. Who wouldn't buy a dildo right after killing a demon? I love how they're totally into the role playing too.

Awesome! *snuggles*
ClawofCat: Dru naughtyclawofcat on September 29th, 2008 04:26 am (UTC)
I'm so glad you enjoyed it, hon. I take believability very seriously when I write, so thank you for mentioning that. Whether my characters are kinking it up or having a quiet moment of reflection, I want it to feel natural.

Who wouldn't buy a dildo right after killing a demon?
Who, indeed? Seems like a perfectly rational thing to do. Faith always said that slaying made her horny and hungry ;)

I love how they're totally into the role playing too.
Me, too. Of course Fred would be turned on by doctor kink. Who knows what sort of geeky kinks Wes and her would have gotten up to if they'd had the chance?

BTW, I noticed you friended me recently, so welcome to my journal! I hope you find something you enjoy here.
InMyDreamsTara: Kinkychair (Please ask first)lesbianbutch04 on October 9th, 2008 04:32 am (UTC)
I loved that you put Voyager in here, "Please state the nature of the medical emergency" i laughed so loud i probably woke up the whole house. :-D

ClawofCat: fredclawofcat on October 9th, 2008 04:47 pm (UTC)
Heh. Glad I could give you a laugh. I hardly ever get to use any of my geek knowledge, but for a brainiac like Fred I felt there had to be some Star Trek references :)
InMyDreamsTara: BFkiss (DO NOT TAKE!)lesbianbutch04 on October 9th, 2008 05:10 pm (UTC)
lol now i have an idea of doing a seven/doctor fic using Willow/Tara :-D oh the possibilities! :-D i'm actually working on a Faith/Buffy for the kink this month :-D