Joo mama 

"Joo mama", slang for "Your mama." A bit more of an insult when used as an insult.

Bob: Whose the fat lady?
Jack: Joo mama!

Joo mama by Death January 7, 2004

joo and joor mama 

1. A way to direct an insult towards someone with such intensity that it conserns not only the one being insulted, but also carrys overs to that person mother.
2. When something is directed towared you and your mother, when your mother probobly has no idea what is going on.

Dood joo and joor mama are fucking ass goblins.

joo and joor mama by gary January 25, 2005