A woman fapping, equivalent to a man fapping. When a female penetrates her vagina with her own fingers.
Guy 1: Yo, is she fapping?????
Guy 2: No, she's taco smacking.
by dusstedd December 23, 2011
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The act of two lesbians aggressively scissoring.
Janet: Oh my God, Britney, do you wanna smack taco?
Britney: You're such a slut, Janet
by CPT. SHADE October 6, 2021
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