Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Words of the Day
Browse
Add a Definition
User Settings
Definitions by Candyflipper420
Deadhead Chemistry
Share definition
Flag
Slang
for
LSD
(acid), known from the Tool song "Rosetta
Stoned
" off the 10,000 Days album.
You
want to
do some
deadhead
chemistry
tonight?
Deadhead Chemistry
by
Candyflipper420
December 19, 2006
0
0
Get merch