1. A phrase used as a formal declaration of defeat. For example: "Kenneth replied 'yo mama' when he realized he could not counter his opponent's point."

2. The principle part of a "Yo Mama" joke, usually entailing a description of your mother being so "something" that "something" occurred as a result.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

1. a TV show with Wilbur Valderama(Fez from "That 70's Show"
2. A cruel start to a funny joke.
3. Your mother.

"yo moma" is something you say in front of every sentence that some1 says just to piss then off

They call yo mama "The Squirrel" cuz she always got nuts in her mouth!

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

the first two words of some of the best and worst jokes of all time