slang To prune cannabis plants to improve their appearance and provide a better experience when they are smoked. I don't know why you take so much time manicuring that crap—you just sell it to dumbass college kids who don't know the difference anyway.
manicure
1. tv. to trim and clean marijuana for smoking. (Drugs.) Sam never would manicure the stuff. Some people would buy it anyway.
2. n. good-quality, cleaned marijuana. Ah, this manicure should bring some good coin.