cactus buttons
Also found in: Idioms.
cactus buttons
A regional term for the raw material—peyote, Lophophora williamsii—from which the psychoactive agent mescaline is derived.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
cactus buttons
Drug slang A popular term for mescaline. See Mescaline.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.