Green’s Dictionary of Slang

toke n.2

also toak
[toke v.]
[1950s+] (orig. US black)

1. a puff or drag of any kind of cigarette (usu. cannabis), or a pipe.

2. a marijuana cigarette; a pipeful of marijuana.

In phrases

sink tokes (n.)

[1980s+] (US drugs) a gravity pipe, made with a 2-litre (3½-pint) bottle and a pipe bowl.

smoke a toke (v.)

[1980s+] (US) to smoke marijuana; lit. ‘smoke a smoke’ thus as much f. assonance as accuracy.

sneak-a-toke (n.)

[1990s+] (US drugs) a hand-held smokeless pipe.