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1. A dumb bitch
2. A person that one hates for their overwhelming stupidity
Brian: "Man our teacher is so stupid!"
Mark: "Yeah I know, she's a dumbitch"
by brin-paw December 01, 2005
is a combination of dumb and bitch

if some girl is being really stupid they are considered a dumbitch

it is fun ot say dumbitch
she is such a dumbitch
by mat condon September 28, 2006
a derogatory remark referring to a malicious, unpleasant, selfish person, especially a woman.
I called her like three times and she still hasn't returned my calls. What a dumbitch.
by wimetsn May 09, 2009