1.) good deal means awesome, cool, etc.
2.) good deal = drop it, when somebody is talking about something and you don't really care just say, "good deal, good deal" over and over again until they shut the fuck up.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."