made or intended to be discarded after use or quick examination

a throwaway container; a throwaway brochure.

delivered or expressed casually or extemporaneously

a funny throwaway line that brings applause.

something that is made or intended to be discarded.

a handbill, advertising circular, pamphlet, etc., intended to be discarded after reading.

Also called pushout. Informal . a youth who is unwanted or rejected by his or her family, the school system, or society in general.