A "strongman" AKA heavy weightlifter wears a belt to help with heavy lifts, the power belly is essentially a fat stomach needed to store fat so these 400lb strongmen can keep their bones from breaking (bone can only hold so much muscle so you need a fat and muscle mix to keep their body from breaking)
A woman's swollen lower belly from repeated sex with a man with a huge penis.
Susan's always had a nice figure, but since she met that guy her lower tummy has gotten big, hes obviously banging her really good with a big penis because she has a peter belly now.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."