Yo mama so stupid she got stabbed in a shoot out
Lol.
This wins IMO.
[Edited by ArchDuke, 5/10/2010 11:33:50 AM]
XD
Yo mama so skanky she can suck a golf ball through a garden hose!
Woah, that's some serious ****...
Yo mama so old, when she was a kid she rode a Pteranodon to school and ate lunch with the Flinstones.