fucktion

A function that's totally fucking your maths.

(In reference to a page of mathematical derivations)
This is impossible! This fucktion is ruining my shit!

by PhysicsProcrastibator October 26, 2010

fucktion

the heat generated by having sex

Gosh, it was cold in here a few minutes ago, but it's warm now--must be the fucktion

by Mike Reilly October 17, 2003

fucktional

--adjective
1. To be able to take part in sexual activity following a period of time where one could not due to medical or personal issues.

2. To serve a purpose related to sex.

Following the birth of their son, Bill hoped his wife would be fucktional again sooner than she was for the birth of their daughter when he went four months without sex.

by quazy_quisp September 30, 2009

Fucktion

The suction created in the vaginal or anal region during intercourse. This physical phenomenon will not occur with small cocks. It, in fact, takes a considerably large one (typically) to accomplish this feat. Other items can be used to accomplish this doe.

Jenny-"So, how was Paul last night?"
Laney-"He was fine."
Jenny-"Was he big enough for any fucktion?"

Laney-"Please, he wasn't nearly big enough... fortunately he has other ASSets that compensate for his small ass dick."

Jenny-"Damn, it's hard to find someone big enough for that doe"

by dav-o March 18, 2014

Fucktion

The function in which someone will be fucked

Reema has a fucktion tonight

by Little bean fa9oolia January 16, 2022

Fucktion

To have a mind full of fuck.

mish: you're brain can't even fucktion right now

by Kinnipop January 22, 2011

fucktion

fucking fiction, as in fiction that is so awesome that an expletive must precede it, or fiction that fucking rules, see also: George Saunders.

"Aw dog, I don't read. Shit puts me to sleep."
"Clearly, you haven't encountered any FUCKTION. And I happen to have a copy of Arthur Bradford's Dogwalker right here."
"Never heard of him. Are you going to finish that frankfurter?"

by hiddenballroom March 20, 2010