Green’s Dictionary of Slang

1. the testicles.

1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.
1890–1904		Farmer & Henley Sl. and Its Analogues.

2. (US black) gaudy, flashy, ostentatious jewellery.

1983

R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].