waste on (someone or something)
To expend something on a person or thing that will not appreciate or properly utilize it. A noun or pronoun can be used between "waste" and "on." Her talent in art is wasted on me—I have no eye for design.
waste something on someone or something
to throw something away on someone or something. Please don't waste any sweet potatoes on me. I don't like them. I can't waste any more money on this car.