Ok, Here goes....
Yo MAMA is so hairy, she's got afros on her nipples.
Yo MAMA is like a racecar, she burns 4 rubbers a day.
YO MAMA is like a bowling ball. You pick her up, finger her, throw her in the gutter, and she comes back for more!
Yo MAMA is like a freezer, meat is always going in and out.
Yo MAMA is so fat, when she takes a swim in the lake, it's suddenly high tide.
Ok, MAMA joke /rant off