In pinochle, means to assert your hands' dominance by showing all your cards to your opponents. They can challenge said "lay" by telling you to "pick it up"; at which point, the person who laid it down begins talking trash and sweating profusely
"can't believe he laid that shit down; he only had 15 tricks, tops"
never lay it down when you have 15 tricks kids.
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.