The word 'lock down' in basketball is used when someone cant get past someone else without getting the ball tapped
Michael Jordan - Hey scott, why cant rich ever beat u
scott - cos i got him on 'lock down'
rich - i wish i could get the ball past scott, he is so good
2) When a person that is a threat walks into the school, Lock Down will happen. Lock down is when everyone goes to the nearest classroom, if not in one, lock their doors and hide in a corner away from windows.
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.