Green’s Dictionary of Slang

(Aus./US) a female thief.

1859		Matsell Vocabulum 12: bludget. A female thief who decoys her victims into alley-ways, or other dark places, for the purpose of robbing them.
1895		Crowe Aus. Sl. Dict. 10: Bludget, a female thief who decoys her victims.
1900–10		Stephens & O’Brien Materials for a Dict. of Aus. Sl. [unpub. ms.].
1949		Monteleone Criminal Sl. (rev. edn) 28: bludget A woman blackmailer; a woman who plays the badger game; a female thief; one engaged in extortion or prostitute.
1960		(con. 1950-1960) R.A. Freeman Dict. Inmate Sl. (Walla Walla, WA) 13: Bludgett – a female thief.