noun
- a person who frequently uses LSD or other hallucinogenic drugs
Usage: slang; informal; dated
Examples
- In the 1960s, acidheads gathered at music festivals to experience psychedelic rock.
- The documentary featured interviews with former acidheads reflecting on their drug use.
- He was known in the counterculture scene as an acidhead who attended every concert.
- The term 'acidhead' became popular during the height of the psychedelic era.
- Many acidheads reported profound spiritual experiences from their drug use.