FIZGIG Meaning of FIZGIG in English n. & adj. archaic --n. 1. a silly or flirtatious young woman. 2 a kind of small firework; a cracker. 3 Austral. sl. a police informer. --adj. flighty. Etymology: prob. f. FIZZ + obs. gig flighty girl Oxford English vocab. Оксфордский английский словарь. 2012