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Grown-Ass Fuck - Referring to an older person having good or even better sex as they age.

The term was popularized by celebrity Gabrielle Union on Twitter and use of the hashtag #GrownASF, after comments by Sports Media journalists of the age of her NBA star husband Dwyane Wade. Union tweeted: "Now come on home baby, I got somethin' for ya #GrownASF".
When her 30-something husband comes home, she's going to give him a Grown Ass Fuck.
by OG Design May 29, 2018
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Aug 11 Word of the Day
You can tell by the way she walks, she got that WAP.

You can look at her face and tell she ain't got that WAP.
by Black Don August 06, 2020
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