Definition

A person who frequently uses cannabis, or more broadly, someone associated with laid-back, counterculture attitudes and often heavy rock or psychedelic music. The term can also describe a type of rock music genre characterized by slow, heavy riffs.

Example Usage

He's a total stoner—spends his weekends listening to Black Sabbath and hanging out with friends.

Origin

American slang from the 1960s-70s, derived from the effect of cannabis use ('getting stoned'), popularized during the psychedelic rock era.

Fun Fact

Stoner rock as a genre emerged from the desert rock scene around Palm Springs, California, with bands like Kyuss and Queens of the Stone Age defining the sound.

Source: Definition backfill (hailey)