10 YO MAMA Jokes - Wich one is your favorite? 1) Yo Momma So Fat The Only Letters She Knows In The Alphabet Are K.F.C! 2) Yo mamma so ugly even Bob the Builder said, ""We cant fix it."" 3) Yo Mamma So Fat, Dora Can't Explore Her. 4) Yo momma so stupid, when I told her that she lost her mind, she went looking for it. 5) Yo mamma so fat I took a picture of her last Christmas and its still printing. 6) Yo momma so fat when she goes camping the bears hide their food. 7) Your mama is so ugly, that sh…