MonkeeRaider slang for psychedelic, pertaining to the effects of lysergic acid dythelemide, and similar hallucination-producing drugs.
by vic July 15, 2004

Psychic ability, psychic connection, experiences of extraordinary feeling, euphoria, or beyond the five senses, mental telepathy. Possibly started by or within the band, The Monkees.
From <i>Mijacogeo</i>:
"Mental telepathy!" Michael says.
"Yeah!" Micky says.
"Oh, you mean that psychedelic stuff...?" Davy asks.
"You know," Michael says, "All the groups are doing it, psycho-jello!"
"Mental telepathy!" Michael says.
"Yeah!" Micky says.
"Oh, you mean that psychedelic stuff...?" Davy asks.
"You know," Michael says, "All the groups are doing it, psycho-jello!"
by SexxxySleepyJean July 13, 2004

by Schmartini23 September 2, 2010

by Bettyslapabch January 2, 2019

by Maximus69 February 3, 2015

Brain fog the day after a night of excessive drinking. You move a little slower, the brain doesn't function like normal, and the simplest of tasks take 3 times as long.
I can't remember the name of that song, I have Jello Brain today.
Oh Jello Brain got lost on the way over, he stayed out until 4 am.
Oh Jello Brain got lost on the way over, he stayed out until 4 am.
by casefacee November 6, 2009

by Baker of the Jello Caker September 29, 2017
