ˈhazˌbin noun
( -s )
Etymology: from has been, 3d person singular perfect indicative of be
1. : one that has passed the peak of effectiveness or popularity
a seedy has-been of an actor traveling a comeback trail — Gordon Allison
that little, dried-up has-been of a town — J.B.Benefield
obsolete, a has-been as a warplane — Springfield (Massachusetts) Daily News
2. has-beens plural : old times or past events
just for has-beens I took him to lunch — W.H.Smith