Green’s Dictionary of Slang

dab v.2

(UK drugs) to smoke heated cannabis oil through a glass pipe.

[UK]Guardian 1 Sept. 🌐 As soon as they find out what it is, the tabloids are going to freak out about dabbing. This new technique for getting stoned involves young people heating a pinhead’s worth of super-concentrated cannabis oil with a blowtorch, then inhaling it through a glass pipe.