FIZGIG Meaning of FIZGIG in English [ 'fɪzgɪg ]■ noun1》 Austral. informal a police informer. 2》 archaic a silly or flirtatious young woman.OriginC16: prob. from fizz + obs. gig 'flighty girl'; cf. gig 1 and whirligig . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004