Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

acid rock 

It defines the drug related rock music of the 1960's and 1970's
acid rock by me March 23, 2004
Related Words

Acid rock 

A type of rock music that is used as background mood music for taking lsd and most of the songs were written by musicians who were on it at the time and promotes the taking of lsd and was the favorite music of the 1960's hippie generation and also of the neohippie movement and of dark hippies.
Acid rock by Deep blue 2012 March 20, 2010

acid rock 

In the 1970's and 1980's, what older people used to call heavy metal and hard rock. Now most of those people are dead, but sometimes you'll hear someone say it at the retirement home.
Junior, cut your sideburns and stop listening to that Acid Rock or you'll start worshipping Satan!
acid rock by Jack Batemaster January 7, 2006

Acid Rock 

A genre of music that is believed to have been started by The Grateful Dead. It is what older people call heavy metal.
The Grateful Dead played at the acid test in San Francisco in the 60's.
Acid Rock by Freak Face February 10, 2005
More from Urban Dictionary
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"
ulzzang by `r i k kit t y February 26, 2008
Word of the Day on November 7, 2026
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).
Person A: "That scene was a direct homage to an unreleased 1982 Japanese indie film."
Person B: "Wow, EBK."
EBK by silwhett November 5, 2026
Word of the Day on November 6, 2026
Load more