stoner
n. countablen. someone who smokes a lot of cannabis and often seems slow or relaxed because of it. It is a very casual word for a person who uses drugs regularly.
n. a habitual user of cannabis, typically characterised by a relaxed or lethargic demeanour. Often carries a mild social stigma or a stereotypical association with counterculture.
He was a bit of a stoner in college.
The movie features a classic stoner character who spends most of his time on the couch.
While the film relies on familiar stoner tropes for its humor, it also attempts to subvert them by giving the protagonist a surprisingly sharp intellect.
From Middle English stoner, stonere, stonare, staner, equivalent to stone + -er (agent noun suffix) or -er (measurement suffix).