Joe: Ok strip right down to the poop sack
Peter and James Woods are silent
Joe:What you dont wear a poop sack?
Joe:DAMNIT BONNIE YOU LIED TO ME ABOUT THE POOP SACK!
A sack or membrane enclosure of an animal containing no less than 50% poop. An exception to this definition is the digestive gland of a mussel, where the sack most definitely look like a poop sack, therefore suck gland is referred to as the poop sack for this animal in particular.
A common slang word for American, specially used in the centre and pacific states. Started as an insult by German prisoners in WW2, but entered common use between Americans and today its is use as a nickname between friends.