sickening; atrocious, especially anything artistic that's shlock.

From the Yiddish "a chaloshes", literally to faint
I replaced the hallucious plaid wallpaper.

That chutney tastes hallucious.
by Slumdog January 17, 2009
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Short for hallucinating. Seeing objects or hearing things that ceise to exist
A: last night was crazy dawg.
B: what happened last night?
A: Ty and i was fucking hallucy man.
by valleywalley July 9, 2013
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Halluci's are smart, clumsy, funny, loveable, prone to mental issues, emotional, and tend to blame themselves for bad things. They need someone to comfort them, or they will blame themselves for everything wrong in your life.
"He keeps on blaming himself for EVERYTHING!"
"Then he MUST be a Halluci."
by WierdoPersonThingIDunno September 14, 2016
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a hallucination of Jason Vorhees, as seen in the Friday the 13th films
created by James A. Janisse of Dead Meat
"His halluci-jasons are getting so bad, dude can't even take a minute to admire himself in the mirror." (Friday the 13th: A New Beginning (1985) KILL COUNT: RECOUNT, Dead Meat)
by dr4g0ng1rl September 19, 2021
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