An acronym that stands for "That Asshole Nobody Talks About" usually meant to refer to a person who did something incredibly shitty or horrible and is no longer mentioned by others who knew and associated with them, effectively making them an outcast. Usually if a TANTO's name is mentioned, others will respond with simple quotes such as "We don't talk about them..."
Person 1: Why hasn't Mike come to any of our club meetings anymore?
Person 2: He's a T.A.N.T.A., we don't talk about him anymore
Person 1: Why, what did he...
Person 2: *glares* WE DON'T...TALK ABOUT HIM...ANYMORE...
Person 1: Okay O_O
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."