A habitual user of the drug LSD.
More example sentences
- And it just so happened that these acid heads were getting jobs at the earliest silicon valley companies - designing new interfaces, virtual reality, and those kinds of things.
- We've all seen weepy drunks or screaming acid heads - the guard goes down and feelings come out.
- I mean, we all know hardcore smokers who seem unable to actually think about anything, or acid heads who wibble on about their ‘insights’ all the time.
More definitions of acid headDefinition of acid head in:
- The US English dictionary