the sexual act of rubbing taints together for either a safe sex option or foreplay.
Guy A: "Dude did you score last night?"
Guy B: "Nah man, we just taint fucked and passed out"

"May I taint fuck you maam?"

"I dry taint fucked her on the dance floor"
by peterkz August 22, 2008
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This is where you are fucking someone in there taint. Taint is located either below he/she crotch and asshole. Very orgasmable.
www.taintfuck.com Must i say more?
by AbeTaintFucks April 17, 2005
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