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1. unf
Universal Noise of Fucking. See above definition for onomatopoeic use as a sound itself.
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2. 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"
3. 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.
4. Unf
Common word used on Tumblr when seeing a hot person.
hot.
UNF
5. unf
Universal noise of fucking. Also used to describe someone attractive.
Damn, Alex Gaskarth is so unf.
6. unf
Universal Noise of Fucking.
Man, thewisepickle is the true definition of unf!
7. unf
The profound noise and/or actions of having wild sex.
unF unF unF unF..ohhh baby...
by Caitlin Apr 6, 2003 share this add a video