yo mama

Slang for "your mom". A nice insult! Talking about your mom is really insulting.

Ex. 1
Some guy: Get a life...
Person responding: Yo mama!
Some guy: What did you say! *beats up person responding

Ex. 2
Some guy: You fat pig...
person responding: Yo mama's a fat pig!

by GABEMSTR November 10, 2008