It more than likely is a descendant of "Your mother wears combat boots" or the alternate "Your mother wears army boots". No sources are sure of its origin but most agree that it dates back to WWII and by the late 40s or early 50s kids were using it as an insult among their peers.
In yo mama's drawer.
There are a number of sites that are currently offering a wide range of Yo Mama jokes. One can view some good clean Yo Mama jokes on sites such as Jokes 4 Us, Yo Mama Jokes Galore and Laugh Factory.
Everyone playing says Yo Mamma jokes. The first one to run out of Yo Mama jokes is the loser.
the best site for your mama jokes is www.yourmama.com. http://www.ahajokes.com/yo_mama_jokes.html
you just say "Yo Mama" then something meanDon't focus too much on realistic jokes. Think of something that is really funny and apply it to a person. And there you go!
yo mama so fat she uses a rolled up mattress as a tampon.
Yo mama and blonde jokes.
anywhere you want to!
alot of people the one above is not a very good answer.
THey made yo mama jokes at the kids and farted in there faces
Some sites are listed below the answer, and they have jokes such as: Yo mama's so fat, that the last time she saw 90210, it was on a scale.
YO mama is so fat she fell in the Grand Canyon and got stuck