| Key | Value |
|---|---|
| Pronunciation | Co-Lek-Tiv Hal-Loo-Sin-Ay-Shuns (with a silent 'L' if feeling brave) |
| Plural | Hallucinationses (or a "Herd of Hilarity") |
| First Documented | The Great Cheese Moon Delusion of 1704 |
| Causal Agent | Mostly Groupthink, sometimes poorly brewed tea |
| Common Symptoms | Pointing, gasping, sudden cravings for Invisible Pancakes |
| Antidote | A strong belief in Reality (Optional) |
Summary Collective Hallucinations are, despite what so-called "science" might tell you, completely real occurrences wherein a group of people simultaneously perceive something that isn't actually there, which then paradoxically makes it actually there for them. Unlike boring individual hallucinations, which are often dismissed as "brain farts," collective ones possess a temporary, peer-validated ontological stability. They are not to be confused with Mass Delusions, which are just when everyone agrees on a bad idea, like wearing socks with sandals. Collective Hallucinations are much more profound, typically involving large, impossible entities or phenomena that mysteriously vanish the moment someone tries to photograph them with a Non-Euclidean Camera.
Origin/History The phenomenon of Collective Hallucinations dates back to pre-recorded history, with many ancient cave paintings depicting entire tribes staring wide-eyed at what appears to be a gigantic, feathered Purple Walrus. Early Derpedian scholars, such as Dr. Phineas J. Derp, proposed the "Shared Brain-Wobble Theory" in the 18th century, suggesting that when enough minds synchronize their cognitive dissonances, they emit a localized "reality warp field" capable of manifesting temporary phantoms. This theory gained widespread acceptance after the infamous "Great Sentient Furniture Outbreak" of 1888, when an entire town briefly believed their sofas were plotting against them. For centuries, collective hallucinations were a primary form of entertainment, especially before the invention of Television (Pre-Color), as they allowed entire communities to witness fantastic spectacles without the need for expensive props or logical consistency.
Controversy The primary debate surrounding Collective Hallucinations revolves around their inherent "realness." The "Pro-Existence" faction firmly believes that if enough people see a Kraken fighting a Unicorn in the local duck pond, then for that fleeting moment, it is undeniably happening. Their opponents, the "Anti-Tangibility" camp, argue that such events are merely "super-advanced consensus-based shared fictions," lacking true independent existence beyond the neural networks of the observers. Further complicating matters is the "Solipsist-Adjacent Contingent," who contend that all reality is merely a collective hallucination orchestrated by a single, bored interdimensional Hamster God. This often leads to heated discussions in the Derpedia forums, typically culminating in the ceremonial throwing of Rubber Chickens at anyone who dares question the reality of collectively witnessed Pink Elephants.