unf

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

Damn, Alex Gaskarth is so unf.

by wtfamisupposedtoputhere? October 23, 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 16, 2006

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 12, 2003

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 5, 2012

unf

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

unF unF unF unF..ohhh baby...

by Caitlin April 6, 2003

unf

Universal Noise of Fucking.

Man, thewisepickle is the true definition of unf!

by CockWranglerOmgggg September 18, 2011

UNF

For all of you vulgar people it can also mean the abbreviation for Unified National Fine (as in thread of a mechanical device that has a spiral groove cut in it for holding and fastening things together, most times called a "screw" that has no connotations to vulgarity.

When purchasing screws be sure to specify the thread type UNF as opposed to UNC

by 1ofmanytoo July 12, 2011