An act of lesbianism in which one woman and another woman engage in clitoral stimulation by simultaneously rubbing each others' excited clitorises together. This is achieved when one woman lies on her side, lifting her leg up and the other woman spreads her own legs and interlocks herself with her partner in a "scissoring" position. Both women proceed to grind their clitorises together, thus producing sexual stimulation and satisfaction.
I was surprised to see tribation in last night's porno flick since tribation isn't a very common sexual act in porn.
by DoJo March 10, 2006
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1.) An old word for a lesbian.
2.) Lesbian sex.

Pronounced "trib" (to rhyme with "crib") - "at" (to rhyme with "cat"). Comes from Latin for "to rub".
You have two choices: sit there and watch the tribates tribate, or come with me and find some doable pussy.

Tribate 1: Hmm hmm, we tribates do it right.
Tribate 2: Mmmph mmmph mpphm mmmph.

Transvestite!? Silly tribate.
by the Queen of the Tribates August 7, 2012
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