Green’s Dictionary of Slang

1. (UK black/teen) a cannabis cigarette.

1997		C. Newland Scholar 193: Today I come back lookin’ forward to a big ziggy.
2005		Sean Paul ‘Change the Game’ 🎵 Kickin back and relax and a blaze a ziggy / And the first draw she take she start move giggly.

2. (N.Z. prison) a cigarette paper.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 206/1: ziggy n. a cigarette paper.