stoner
slang A person who frequently or habitually smokes marijuana. From the term "stoned," which is slang for being high. Her grades really started to slip once she started hanging out with the stoners in her school. I was a huge stoner all throughout college, but I decided to give up smoking once I got my first real job.
stoner
n. a drug user who is generally stoned (out). He’s a stoner. He’ll never amount to much.