throwaway

(sometimes offensive) a homeless boy who has been abandoned and roams the streets

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers"

words spoken in a casual way with conscious under-emphasis

thrown away; "wearing someone's cast-off clothes"; "throwaway children living on the streets"; "salvaged some thrown-away furniture"

intended to be thrown away after use; "throwaway diapers"