kif also kief 
(kĭf, kēf) or kef (kĕf, kēf, kāf)
(kĭf, kēf) or kef (kĕf, kēf, kāf)n.
1. A loose or powdered form of cannabis resin used especially for smoking.
2. The euphoria caused by smoking kif.
[Colloquial Arabic kēf, from Arabic kayf, kef, condition, pleasure, opiate.]