Using legal trickery and technicalities to weasel one's way out of paying a bill or debt. Alternately using trickery and technicalities to make one pay a debt or bill despite their having good reason not to.
All it took was one hair within 3 yards of the soup and some Jew Acrobatics to avoid our restaurant bill.
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."