1 definition by urmomisgay

Top Definition
a horrible comeback used by total idiots who have nothing better to say. It is often replaced by other nouns in the sentence.
Bob: your an idiot.
Paul Baker: Your Mom's a idiot!

Sally: this homework sucks
Paul Baker: your mom sucks!

Joe: your gay
Paul Baker: Your mom's gay!

by urmomisgay June 20, 2006

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