| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: marked by extremes (as of success and failure or prosperity and depression)
ski-area operators agree that theirs is uniquely a feast-or-famine business — William Gilman
it follows … that mineral exploitation is a feast-or-famine industry — H.A.Meyerhoff