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The technical Bulgarian term for vagina; has recently become an obscure slang used to test whether a man is a cockNOMing fag or not.

Counterpart to the male Penicilus.

"Man, Nepsises fail."
This makes you a dicksuckling little fagwad.


"I like a-da Nepsis. Am not gayuh."
This makes you not gayuh, or a lesbian (of the hot variety).
by Richter Raping Richter January 09, 2009
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