Definitions by Big Crappa'

A.M.-B.M. 

(From the Latin) Ante Meridiem-Bowel Movement.
When you go #2 in the morning.

Hey guys, sorry I'll be late for breakfast, but I'm not worth a damn until i have my A.M.-B.M. See you in 8 minutes!

A.M.-B.M. by Big Crappa' December 19, 2009