gun-fu /ˈɡʌŋ ˈfuː/adjective 1gun fu noun 1forms 2 adjective1 •Pertaining to gun fu gun fu noun1 •A style of sophisticated gunplay at close quarters, originating in Hong Kong action films.The Rev. Hugh Dalton runs a different kind of drive-in, one with no kung fu, bimbo fu, gun fu or any kind of violence. His establishment: The Gospel Film Drive-In. — 1985 formsmore gun-fu · most gun-fu