acidhead
noun
ac·id·head ˈa-səd-ˌhed 
: an individual who uses LSD
Example Sentences
Recent Examples on the Web With acidheads in the streets and upheaval in the studios, 1969 was a time of profound change not just in Hollywood, but in America at large. 
Alejandro De La Garza, Time, 26 July 2019
Alejandro De La Garza, Time, 26 July 2019 Word History
Etymology
acid entry 1 + -head (as in dopehead, hophead, pothead)
First Known Use
1966, in the meaning defined above
acidheads
noun
as in speed freaks
Synonyms & Similar Words
Relevance
- speed freaks
- crackheads
- cokeheads
- users
- potheads
- addicts
- junkies
- dopeheads
- stoners
- druggies
- dopers
- burnouts
- freaks
- fiends
- hypes
- heads
- hopheads
Antonyms & Near Antonyms
- nonusers
- nonaddicts