DictionaryInternet culture

Delulu

Definition

Playfully delusional or unrealistically confident, especially about an unlikely outcome.

Example
She is delulu enough to think the celebrity replied just for her.
How it is used

Delulu can criticize someone for believing something unrealistic, but it is also used playfully for bold optimism and extreme self-confidence. The tone may be teasing, encouraging, or dismissive.

Origin and context

Delulu is a playful shortening of delusional. It emerged in online K-pop fandom during the early 2010s and later spread across social media. In the early 2020s, it also developed a more positive sense connected with confidence, ambition, and manifestation.

Common variations

delulu era

A playful description of a period when someone is embracing unrealistic hopes or unusually bold confidence.

delulu is the solulu

A rhyming phrase meaning that delusion is the solution, usually used humorously to encourage optimism.

delulu land

An imaginary state in which someone believes an unrealistic idea or fantasy.

Frequently asked questions
Is delulu short for delusional?

Yes. Delulu is a playful shortened form of delusional.

Is delulu always negative?

No. It can criticize unrealistic thinking, but people also use it jokingly for confidence, optimism, and ambitious goals.

Where did delulu originate?

The term became established in online K-pop fandom during the early 2010s before spreading into broader internet slang.

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