fizgig

Short definition from Wiktionary

Noun

1. 1
   A flirtatious, coquettish girl, inclined to gad or gallivant about; a gig, a giglot, a jillflirt.
2. 2
   Something frivolous or trivial; a gewgaw, a trinket.
3. 3
   A small squib-like firework that explodes with a fizzing or hissing noise.
4. 4
   A spear with a barb on the end of it, used for catching fish, frogs, or other small animals; a type of harpoon.
5. 5
   A police informer, a stool pigeon, someone employed by police to entrap someone else or provoke them to commit a crime.
6. 6
   common ragwort (Jacobaea vulgaris, syn. Senecio jacobaea).

Verb

1. 1
   To roam around in a frivolous manner; to gad about, to gallivant.
2. 2
   To act as a police informer or agent provocateur.