benny /ˈbɛni/noun 10verb 1forms 5 noun10 •[usually plural] (slang) An amphetamine tablet.That night Marylou took everything in the books; she took tea, goofballs, benny, liquor, and even asked Old Bull for a shot of M, which of course he didn’t give her; he did give her a martini. — 1957 •(informal) A benefit.Life in the bush was generally a bummer, an adverse experience, which was only rarely broken by the bennies, benefits like warm beer and letters from the World, the United States. — 1984 •(US, slang) A one-hundred-dollar bill.Money coming in plenty / Twenties, fifties and Bennies — 2012 •(informal) Synonym of eggs Benedict.This special version of eggs Benedict will win the hearts of all the Benny fans out there. — 2011 •(slang) A beach tourist; especially an irritating or gaudy one from Northern New Jersey, New York, or other states. •(UK, slang) A stupid or dull-witted person. •(UK, slang) A native of the Falkland Islands. •(UK, slang) A temper tantrum. •(slang, old-fashioned) An overcoat.I'll stand clost and keep my blue fingers inside your nice fur coat[…]I'll bet this benny cost a nice piece of change. — 1924 •(slang, no longer used) A straw hat.If lil ole Souttland is goin’ to keep her dome up in the golf department, an’ I tip my benny to her right now, she must put the kibosh on gin-hoisting an’ lay a stymie to every saloon. — 1923 verb1 •(slang) To take amphetamines.Bulldog's habit of "bennying up" for the ball games had become a humorous item among the players. — 1963 formsbennied · bennying · bennies · Bennies · Bennys