stupid fucking Styrofoam cup
the act of calling someone a stupid fucking Styrofoam cup, which means that they take up space and do nothing
Example:
person 1: hey man i think wall-e was a terrible movie
person 2: go fuck yourself you stupid fucking Styrofoam cup
person 1: hey man i think wall-e was a terrible movie
person 2: go fuck yourself you stupid fucking Styrofoam cup