unf unf

The sound of humping.

OMG, that chick is so hot! Unf! Unf!

by Mary Anarchy February 25, 2004

unf unf unf

The universal noise of fucking.

Claire: I've been here the whole time.
Claire: unf unf unf

by prollygon August 22, 2011

Pak Chooie Unf

Code programmed into and executed by space robots, usually the pusher or shover models. Often spoken aloud by said robots, often reduced to simply "Pak Chooie".

"PAK CHOOIE UNF
I am a Pusher Robot.
DATA: To start fires
TARGET: Grandmother
DATA: Lies
PAK CHOOIE UNF"

by Deomatrumus November 10, 2008

unf

Universal Noise of Fucking. See above definition for onomatopoeic use as a sound itself.

by Video Warrior Laserion December 14, 2002

unf

A term used to express sexual desire

Unf that guy is so HOT!

by Hella cool April 18, 2014

Unf

Common word used on Tumblr when seeing a hot person.

hot.
UNF

by hookerific August 23, 2011

unf

Universal noise of fucking. Also used to describe someone attractive.

Damn, Alex Gaskarth is so unf.

by wtfamisupposedtoputhere? October 22, 2011