unf
Universal Noise of Fucking.
Man, thewisepickle is the true definition of unf!
by CockWranglerOmgggg September 18, 2011
unf
Universal Noise of Fucking. See above definition for onomatopoeic use as a sound itself.
by Video Warrior Laserion December 14, 2002
Unf
Common word used on Tumblr when seeing a hot person.
hot.
UNF
by hookerific August 21, 2011
UNF
sexual. Accronym for "Universersal Noise for Fucking"
particularly heard during intercouse when the female moans but bites her lip to silence herself. "unf" heard as "uuuuhhhfff" or "ooooouuuhhhnnnnnfff"
"all that bitch could say was unf"
by -GT February 15, 2006
unf
Universal noise of fucking. Also used to describe someone attractive.
Damn, Alex Gaskarth is so unf.
by wtfamisupposedtoputhere? October 22, 2011
uNf
The noise that the Doom guy made when you tried to 'open' a wall like it was a door. uNF uNF
uNF uNF uNF uNF oh shit, this is a wall, not the door leading to the floating eyeball.
by dC//jANGEY June 11, 2003
unf
A term used to express sexual desire
Unf that guy is so HOT!
by Hella cool April 10, 2014
Unf
Same as, "blown". Origin: The sound a guy makes when he cums.
"Unf, I have that paper due in two hours and I haven't even started."
by Awesomenesssss213 March 05, 2012

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