Someone fresh, a rookie or anyone new to the game. Someone inexperienced in the drug game who has no idea what they are doing or buying.
1. "I don't want you giving my number out to all your 'Junior burger' friends, they can't keep their mouth's shut."
by Diego July 12, 2003
A Junior burger is a rooky in the art of threesom sexual interactions . Usualy the burger subject would be the one person/ sex (male/female) being the (burger patty) between the other 2 people (the buns)
by the Mayer of Toowoomba March 27, 2020