An amount of loose heroin or fentanyl equal to ten grams. Usually comes in one solid brown or off-white chunk that resembles a stick of chalk in both size and color.
Dealer: "you gotta wait for me to throw some cut on this chalkstick before I make a move homy."
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."