fizgig

[fiz-gig] /ˈfɪzˌgɪg/
noun
1.
a type of firework that makes a loud hissing sound.
2.
a whirling toy that makes a whizzing noise.
3.
4.
Australian. a police informer.
Origin
1520-30; earlier fisgig, equivalent to fis (late Middle English fise term of abuse; akin to Old Norse fīsa to break wind; cf. fizzle) + gig (Middle English gigge girl; see giggle)
British Dictionary definitions for fizgig

fizgig

/ˈfɪzˌɡɪɡ/
noun
1.
a frivolous or flirtatious girl
2.
a firework or whirling top that fizzes as it moves
3.
a variant of fishgig
4.
(Austral, slang) a police informer
verb
5.
(intransitive) (Austral, slang) to inform on criminals to the police
Word Origin
C16: probably from obsolete fise a breaking of wind + gig girl
Word Origin and History for fizgig
n.

"light, frivolous woman," 1520s, first element of uncertain origin, second element is Middle English gig "frivolous person" (see gig (n.1)).