look up any word, like plopping:
 
1.
Created by Joe DeCommer; food sack is slang for stomach.
If you eat alot of food, your food sack will be full.

My food sack hurts.

I oughta punch you in your food sack!
by Joe DeCommer August 23, 2005
 
2.
Joe-slang for stomach
That sandwitch feels good in my food sack
by Joe December 04, 2003