Definitions by Sir BillyBob

Crack Muffin 

A crack muffin is simply a muffin top viewed from behind. Best observed when someone of a large stature picks up an item off a lower shelf at a supermarket.

When that women went to get the refried beans, I caught a glimpse of her crack muffin and almost cried.

Crack Muffin by Sir BillyBob February 27, 2011