Definitions by billy_banana

Mud flap 

The male scrotum (balls); What men use to keep mud (shit) off of ones penis while dropping a wicked doo-doo bomb.

Man, I had some wicked diarrhea last night; I'd have doo-doo all over dick, if it weren't for my mud flap!

Mud flap by billy_banana May 23, 2010