unidentified nocturnal fornication
unf was heard from the dark trees behind my house...unf unf...i was scared
by fireball4u January 04, 2005
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
#nf #national fine #fine thread #nc #national coarse #coarse thread
by 1ofmanytoo July 11, 2011
Universal Noise of Fucking.
Man, thewisepickle is the true definition of unf!
#thewisepickle #unf #sex #fucking #love #kfc
by CockWranglerOmgggg September 18, 2011
the sound of having sex
*unf unf* harder d4vid make my ass bleed
by Benji December 14, 2002
the united negro fund

a fund for negroes that unite
i gave to the unf the other day, 20 dolla
i was watchin' white chicks and they referenced the unf
#black people #unf #united negro fund #negro #nigga #african
by gretchen69me December 30, 2011
The University of No Football; Home of the Osprey; Also known as The University of North Florida. It is a relatively good school in Jacksonville, Florida that has NO FOOTBALL TEAM. Before attending this school students are blinded by the nice campus and good food so they don't realize there's NO FOOTBALL TEAM until it's too late.
Gator: " Hey, What school do you go to? "

Osprey: " UNF. "

Gator: " Damn. So... No hot football players? "

Osprey: " None at all. "
#unf #unff #fun #north florida #ospreys
by kcoffayy November 12, 2010
.v. unf, unfed,
To hump in excitment; to make weird facial expression.
1. can she.. hell ya... shes a great unf
2. unf on baby! unf on!
3. but you unfed
4. whos unf'n
5. keep on unfin' in the freeeeeee woooorld

Synonyms: Boh!, Fuck, Hump
#fuck #shag #hump #weird #expression #whack
by Mike & Sarah July 08, 2006
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