Top Definition
Universal Noise of Fucking. See above definition for onomatopoeic use as a sound itself.
ayon kay Video Warrior Laserion ika-14 ng Disyembre, 2002
Common word used on Tumblr when seeing a hot person.
ayon kay hookerific ika-21 ng Agosto, 2011
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"
ayon kay -GT ika-15 ng Pebrero, 2006
Universal noise of fucking. Also used to describe someone attractive.
Damn, Alex Gaskarth is so unf.
ayon kay wtfamisupposedtoputhere? ika-22 ng Oktubre, 2011
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.
ayon kay dC//jANGEY ika-11 ng Hunyo, 2003
A term used to express sexual desire
Unf that guy is so HOT!
ayon kay Hella cool ika-10 ng Abril, 2014
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."
ayon kay Awesomenesssss213 ika-05 ng Marso, 2012
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