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1 definition by Chrissy1987

 
1.
a tweenis is part male and female preferably a male cat because it doesnt have penis that hangs out but it doesnt have a vagina either so its called a tweenis half twat and half penis
paws the cat has a tweenis.
people born with both sex parts usually have a tweenis
by Chrissy1987 December 13, 2008