The word "hallucinogenic" refers to something that causes hallucinations, which are experiences of seeing or hearing things that are not really there. Full definition
Arranged around four sections, Vertigo, Excess, Nonsense, and Twisted, the show exhibits sixty - three artists from Europe, the US and South America who employ humor, repetition, and the effects of hallucinogenic drugs, to take the air out of privilege, consumerism, urbanization and the absurdity of war. (heikemoras.com)
Most persons would agree that individuals employed as drug counselors should abstain from the use of hallucinogenic drugs and that Oregon acted properly when it denied unemployment benefits to persons discharged for unlawful drug use. (firstthings.com)
Equally - annoying, are the colorful supporting characters displaying an array of increasingly bizarre behaviors, ranging from Sheeni's uptight, Bible - thumping parents (M. Emmet Walsh and Mary Kay Place) to her rebellious big brother (Justin Long) whose idea of a practical joke is to lace Thanksgiving dinner with hallucinogenic mushrooms which cause their father to smear mashed potatoes on his own face. (kamwilliams.com)