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 11, 2014

unf

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

Damn, Alex Gaskarth is so unf.

by wtfamisupposedtoputhere? October 23, 2011

unf

The profound noise and/or actions of having wild sex.

unF unF unF unF..ohhh baby...

by Caitlin April 06, 2003

unf

Universal Noise of Fucking.

Man, thewisepickle is the true definition of unf!

by CockWranglerOmgggg September 18, 2011

unf

the united negro fund

a fund for negroes that unite

i gave to the unf the other day, 20 dolla
i was watchin' white chicks and they referenced the unf

by gretchen69me December 30, 2011

unf

unidentified nocturnal fornication

unf was heard from the dark trees behind my house...unf unf...i was scared

by fireball4u January 05, 2005