unf unf

The sound of humping.

OMG, that chick is so hot! Unf! Unf!

by Mary Anarchy February 25, 2004

unf unf unf

The universal noise of fucking.

Claire: I've been here the whole time.
Claire: unf unf unf

by prollygon August 19, 2011

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 16, 2006

unfing

the act of female masturbation

unfing is the female equivalent to fapping

by bartsimpson49583 June 21, 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 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