Top Definition
A uterus which is incapable of producing female offspring.
She had so many sons her duderus was like a circus clown car.
by Dr Phlebas May 30, 2016

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pronounced DOOD-erus. Synonym for a gay man's asshole. Much the same as man-pussy, butt-cunt, mangina, boygina, etc.
Because of all the fucking last night, my duderus sure was raw this morning.
by boltman November 20, 2007

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