vibration hallucination

The feeling that your cell phone is vibrating in your pocket when, in reality, there was no vibration at all.

Man, I thought my phone was vibrating just now. I must have had a vibration hallucination.

by tsalt February 12, 2009

Group hallucination

When a large amount of people wrongfully thinks and/or believe they saw a certain event happen, even if this event has never occurred.
Similar to the Mandela effect.

*Group hallucination
A: Hey, did you see what happened yesterday on Pyrocynical's livestream?
B: No, what happened?
A: He had a mod that made the playable character big bootied!!!
B: Are you sure?
A: Yes...?

by NotPyrocynycal September 1, 2022

weed hallucination

Olfactory hallucination of marijuana in a home or vehicle. Most often heard by motorists as "I smell marijuana" by law enforcement officers as an excuse (probable cause) to search a vehicle.

Even though I hadn't smoked pot since 1980, the state trooper was in the midst of a weed hallucination and insisted he could search the trunk of my car.

by ferolily December 14, 2014

Destination hallucination

When oneself/someone is taking every single drug 'under the sun' to reach the ultimate hallucination

Man I got fucked up last night. I took everything man, I was on a one way ticket to destination hallucination

by Jack all mighty Parker November 20, 2016

Hard Problem of Hallucination

The puzzle of why the brain, in the absence of external stimuli, activates perceptual systems with such vivid, detailed, and often meaningful content. A hallucination isn't just noise or static; it's a full-blown, internally-generated simulation that the brain categorizes as "real" perception. The hard problem is understanding why this happens in otherwise healthy brains (e.g., hypnagogic hallucinations, grief hallucinations) and what it reveals about how the brain constructs reality. It suggests perception is a controlled hallucination, and ordinary waking life is just one where internal predictions are tightly locked to sensory input.

Example: A perfectly healthy, grieving person sees their deceased spouse sitting in their favorite chair, in full detail, for a few seconds. This isn't psychosis; it's a common grief hallucination. The hard problem: How does the brain's visual and emotional circuitry coordinate to produce such a specific, emotionally resonant, and perceptually convincing image spontaneously? It demonstrates that our experienced reality is a fragile synthesis, and the brain can easily present its own internal narrative as external fact when the usual checks are loosened. Hard Problem of Hallucination.

by Dumuabzu January 25, 2026

olfactory "hallucinations"

When you smell something that really isn't there.

I've had many olfactory "hallucinations" like when I smell mustard & there's none around!

by Starchylde December 11, 2016

hallelucination

a religiously themed halucination

The POTUS's blonde tomato Spiritual Advisor has some over-the-top hallelucinations.

by ΔиłĦ☼иצ ߀₡ʞ February 20, 2020