Definitions by Mister Stupid
Yo momma is so fat...
A start of joke which trys to insult someones mother. Usually used by 12-year olds, that say the same damn joke over and over again.
12-year old version:
Yo momma is so fat, when she swims in the ocean with the whales, they start singin' "We are family!"
Yo momma is so fat, when she swims in the ocean with the whales, they start singin' "We are family!"
Yo momma is so fat... by Mister Stupid November 27, 2004