fucktion 

Similar to fiction; Tale of sex that never actually happened.

Ummm...Remember when I said I fucked Becky and her mom simultaneously? That was actually fucktion.

fucktion by goatsearse May 12, 2009

fucktion 

When you are doing Calculus function problems and obviously there's something else on the
mind.

Rick: "What the heck would f(x) equal? I hate fucktions!"
Esteban: "Hahahahaha... nice"
Ms. Rod: "What kind of problems are you guys doing?"
Evan: "That, my friends, is called a Freudian slip... haha."

fucktion by A Breed of Sushi January 25, 2009

fucktion 

Erotica, erotic fiction.

Related to fanfucktion.

They're claiming that her new book goes under the Romance genre, but it's really just plain, simple Fucktion. There's no emotional connection between the protagonist and her partner.

fucktion by Gale Gynoid April 27, 2010

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!

fucktion 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

fucktion by Mike Reilly October 17, 2003

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"

Fucktion by dav-o April 24, 2014

Fucktion 

The function in which someone will be fucked

Reema has a fucktion tonight

Fucktion by Little bean fa9oolia January 16, 2022