delulu.
An exaggerated, informal version of “delusional”: unrealistically hopeful, imagining a connection, or choosing confidence over the available evidence.
What does delulu mean?
Delulu describes a belief or expectation that seems disconnected from what is actually likely. Someone may call themselves delulu for imagining a celebrity noticed them or expecting an unlikely outcome. The point is often self-aware exaggeration: the speaker knows they are stretching the evidence.
The phrase “delulu is the solulu” jokes that optimistic imagination is itself the solution. It can be playful motivation, not a serious argument that facts do not matter. Directed at another person, delulu can sound dismissive. It is not a useful clinical description of delusions or mental illness.
See how it lands.
Original examples written for this entry, not quotations from the sources.
The band liked one of my posts, so naturally we are best friends now. Delulu.
Applying for my dream job with half the requirements. A little delulu, a lot of effort.
The right word.
The right moment.
Use it about your own obviously exaggerated hope or in a group where the teasing is welcome. Acknowledge the gap between wish and evidence.
Do not use it to diagnose someone or brush aside a genuine concern. Calling someone delulu can shut down a conversation rather than explain your disagreement.
Not quite the same as…
confidence
Confidence does not necessarily ignore evidence. Delulu emphasizes the humorous gap between expectation and likelihood.
A little backstory.
The word is a playful shortening and reshaping of delusional, strongly associated with K-pop fandom before broader online use. No single inventor is established here.
Supported by Wiktionary contributors
Still wondering?
Is delulu always negative?
No. Self-directed uses can be affectionate or motivational; an accusation aimed at someone else may be insulting.
What is solulu?
A matching playful reshaping of solution, used in the phrase “delulu is the solulu.”
Sources & checks
Meaning and factual notes are informed by the references below. Examples and usage advice are original editorial writing. A source documents use; it does not measure current popularity.
- delulu — English entry ↗Wiktionary contributors · checked 19 Oct 2026Supports: meaning; usage