Green’s Dictionary of Slang

jigger v.4

[jigger n.5 ]

1. (US) to tattoo.

J. Flynt Little Brother 195: They’ll find you out if you have ships and things jiggered into your skin.

2. (US Und.) to deface, to mar (the flesh), thus to create a fake sore.

[US]Jackson & Hellyer Vocab. Criminal Sl.
[US]Irwin Amer. Tramp and Und. Sl. 109: Jigger. – To spoil or injure; to deface.