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!
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