Universal Noise of Fucking. See above definition for onomatopoeic use as a sound itself.
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Universal noise of fucking. Also used to describe someone attractive.
Damn, Alex Gaskarth is so unf.
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The profound noise and/or actions of having wild sex.
unF unF unF unF..ohhh baby...
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Man, thewisepickle is the true definition of unf!
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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
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unidentified nocturnal fornication
unf was heard from the dark trees behind my house...unf unf...i was scared
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