What is Balloon Bung?
1.
Refers to a big, fat ass.
Look at the size of that ass. That's a balloon bung if I've ever seen one. Bet it stinks
See 
2.
Another way to describe someone with a big fat ass.
Here comes that Jenny Craig reject again, ol' "balloon bung". How the hell does he wipe that monstruosity. I bet he needs two zip codes for that thing.
See 
Random Words:
1. 
The act of two police cruisers parking next to each other in public.
I was driving down the street when I noticed a powder-sugar coated..