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1.
A Japanese sexual term in which the female rubs her labia majora against the male's penis, without actual penetration.
My friend went into the cathouse for some major SUMATA. Unfortunately, they didn't speak Japanese and kicked him out.
by Gunblader September 16, 2006

Words related to sumata

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2.
A person who is has an addition to many drugs.
Me: Yo, member Timmy from high school?
You: Ya, dat kid was mad chill.
Me: Well, dat kid is a sumata now.
You: Wow.
by Tould September 10, 2005