jo moma 

a stupid way to say yo moma as an insult

dude: oooh jo moma so dumb
other dude: shut up dumbass

jo moma by PlayDohMan July 5, 2004

Jomoma 

The woman whom gave birth to you and/or raised you.

Also, a retarded way to say "Your mother" as a snappy comeback.

"Hey man, can I get some of jomoma's breast milk?"

"Sure dawg."

Man 1: "Hey man, you're so damn FAT!"

Man 2: "Fat Jomoma."

Jomoma by Wackles January 14, 2010