thinking abt fiddlestanwich/stanfiddlesford mystery trio… specifically fidds being a voyeur
fidds catches them in the act and his gut reaction is “ew wtf” before going “…wait that’s. really hot” in a way that’s Very different from the typical twin threesome fantasy
so he. starts peeping in on them. covering his mouth and jacking off. he’s like “oh god i’m such a pervert… no. wait. THEY’RE the perverts. but. i’m getting off on it…”
at some point stan and ford realize. and they’re both into it.
ford: we... have got to talk to him about this.
ford: as soon as possible.
stan: n’ give up this opportunity???
ford: ...you make a good point.
so. anyways. stan and ford start doing stuff that they know would drive fidds crazy.
stan’s always a fan of dressing ford up (semi-canon clothing kink!) but now he’s got even more incentive to get his brother in lingerie — gotta show him off. they’re just a biiiit noisier, too.
stan even lampshades it! ford doesn’t, because he’s autistic, and i know if my autistic ass was in this situation i would NOT be subtle at ALL. with stan it’s like:
stan: fuck, sixer, you’re such a good slut for me.
stan: you like that? bein’ called a slut? maybe i should fuck you like this in public. you’d love bein’ watched, wouldn’t you?
ford: *mutters into pillow*
stan: *smacks ford’s ass* what’s that? you’re gonna have to speak up, poindexter.
meanwhile if ford tried to do it he’d just.
ford, wiggling his hole in the air: OH NOOOOO I SURE HOPE NOBODY CATCHES ME GETTING FUCKED BY MY BROTHER... THAT WOULD BE THE WORST. ESPECIALLY NOT MY RESEARCH PARTNER HAHAHA
which isn’t to say stan’d never reference fidds (“wonder what fidds would think, seein’ you like this?”), he’d just… be a bit more artful about it
hell, sometimes stan’d reference fidds indirectly. like stan talks about them fucking in a bathroom, them getting caught, and the other person watching, and goes “goddamn, your cock’s twitchin’. you really like that, huh? can’t figure out who’s the bigger pervert, you or the peepin’ tom watchin’ us.”
who knows… perhaps their dirty talk escalates until one day they can directly mention fidds watching them without it being really obvious. fidds nearly has a horny-induced heart attack