master of the delusional arts

When someone always believes they are always right, the best at anything and can never be told they are wrong. Every time this person is wrong and not the best at what they say.

“You should have seen Ryan talk about volleyball. Complete master of the delusional arts”

by Dr. Strange Mustard December 17, 2023

Head cannon Delusion

Delusion caused by head cannon, it is where someone has a head cannon for a show or game and insists it canon and goes great lengths like mental gymnastics to prove it is even the creator of the game or show of the head canon says other

A twitter called another twitter user transphobic because they point out Spider Gwen isn't trans for having a trans flag she's just an ally , in the users head cannon delusion user harassed other twitter user

by Lurker_man January 5, 2024

Spider-Man Delusions

Thinking oneself is the character Spider-Man. Many fans of the character may experience this.

“My friend is so obsessed with spider-man that i think he might have Spider-Man Delusions!”

by Himothy3717327 November 24, 2023

Spider-Man Delusions

Used to describe when one is so obsessed with the character Spider-Man, they believe they are they are him.
Many fans may experience this, those whose suffer from this commonly say “I am Spider-Man” daily.

“My friend is so obsessed with Spider-Man! I think he has Spider-Man Delusions”

by Himothy3717327 November 24, 2023

Fat and delusional

that weird fat kid who claims that he knows how to "fight" and ends up fighting with someone, and losing instantly, then proceeds to cry and bitch like a sore loser

Guy 1:Yo did you see that fatass dude who lowkey delusional?

Guy 2: Yeah, he fought that other kid right?

Guy 1: Yeah bro, I think he still hasn't learned a damn thing, fat and delusional, what a damn combination.

by PidgeonRising December 27, 2024

Hard Problem of Delusion

Distinguishing a clinically pathological "fixed false belief" from a deeply held cultural, religious, or ideological conviction. The standard definition—a belief firmly held despite incontrovertible evidence to the contrary—could technically apply to a devout religious person (belief in an afterlife), a political ideologue, or even a scientist clinging to a paradigm before a revolution (like pre-Copernican astronomers). The line between delusion and non-delusion is often one of social consensus, not a purely objective psychiatric criterion. This makes "delusion" a slippery, culturally-loaded diagnosis.

Example: A man believes government agents are replacing his thoughts with beams from a satellite. This is diagnosed as paranoid delusion. A man believes an omnipotent, invisible being is listening to his thoughts and guiding his life through signs. This is often called faith. The hard problem: The cognitive mechanisms—strong belief resistant to counter-evidence, interpretation of events to fit the belief—may be similar. The differentiation rests on the content's alignment with a society's dominant reality, revealing delusion as partly a social status, not just a brain state. Hard Problem of Delusion.

by Dumuabzu January 25, 2026

You-Are-Delusional Fallacy

The rhetorical move of accusing someone of being "delusional" as a way of dismissing their perceptions, experiences, or beliefs without engagement. The accusation positions the target as mentally unstable, their views as symptoms rather than claims. The fallacy lies in using the psychiatric label as a refutation—as if naming a pathology does the work of argument. But even people with delusions can have valid perceptions; more importantly, using "delusional" as a casual dismissal trivializes real mental health issues while avoiding intellectual engagement.

"I shared my near-death experience and what I learned from it. Response: 'You're delusional—that's not real.' That's You-Are-Delusional Fallacy—using a psychiatric label to dismiss an experience without engagement. Maybe it was real; maybe it was brain chemistry; maybe it was something else. But calling me delusional doesn't address any of that—it just ends the conversation while making you feel clinical."

by Dumu The Void February 28, 2026