1 definition by Lucy's Dad

This phrase is usually used as an interjection to or about another. A person is so frustrated that this is the only thing that they can say in response to the dumbass activity you have partaken in.
Guy 1: "Yo I just hit your car coming off that exit!"

Guy 2: "YOU DUMB-TITTY!!"
by Lucy's Dad February 2, 2008
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