having or serving a sexual purpose; capable of serving the purpose of sex and for which it was designed: fucktional architecture; a chair that is fucktional as well as decorative
by Scub snubs November 7, 2013
by goatsearse May 11, 2009
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."
Esteban: "Hahahahaha... nice"
Ms. Rod: "What kind of problems are you guys doing?"
Evan: "That, my friends, is called a Freudian slip... haha."
by A Breed of Sushi January 25, 2009
Used to say that your sexual equipment package is still in working condition after receiving physical trama
Guy 1: Dude you just took a direct hit to your junk! Are you alright?
Guy 2: I think so, everything down there still seems fucktional, i better go see my girlfriend and make sure.
Guy 2: I think so, everything down there still seems fucktional, i better go see my girlfriend and make sure.
by CHe$+nu+ April 16, 2009
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.
by Gale Gynoid April 27, 2010
(In reference to a page of mathematical derivations)
This is impossible! This fucktion is ruining my shit!
This is impossible! This fucktion is ruining my shit!
by PhysicsProcrastibator October 26, 2010
the heat generated by having sex
by Mike Reilly October 17, 2003