- hep⇄hep (1), adjective.
(U.S. Slang.) having intimate knowledge; informed; hip.
Ex. They are hep to all the passing fads of the teen-age cult. To restore his confidence, I infused a contemporary note into my reply. ""I assure you, Commissioner, wh - hep⇄hep (2), interjection.
a military command used to mark cadence in marching, as in ""hep, two, three, four!"" Also, hup, hut.