A person, generally an oafish
male who walks around with an empty styrofoam container in his
satchel/briefcase/bag and only realizes it the next day, presumably while
packing said satchel/briefcase/bag for the day.
Bartender 1: That stupid rhude boy was went all the way home with
stinky leftovers in a stryofoam container just jammed into his
laptop case.
Bartender 2: What a biatch!