Street name for 2mg tablets of Xanax (Alprazolam). The name is derived from the three scores down one side of the long, white tablet, making them divisible by four. The scoring resembles the children's playground equipment 'monkey bars'.
Dude: Hey man, got any monkey bars?
Mr Mackey: Drugs are bad
mmmkay.
Street names are the nicknames given to drugs by dealers and illicit users. They can be nicknames for illegal or prescription drugs.
Police officer: what is the street name for herion?
Under Questioning: I know nothing.
Old-school junkie: Got any H? Any
horse?
Me: huh?
Old-school: Her-oh-inn. Do you have any herion. Duh.