delulu
adj.adj. a funny, informal way of saying someone is 'delusional'. It often means you believe in something that is clearly not real or true, especially about a crush or a celebrity.
adj. being unrealistically hopeful or believing in something that is clearly untrue. An informal slang clipping of 'delusional', often used with self-aware humor in romantic or fandom contexts.
Thinking that celebrity will answer you is a little delulu.
My friend is fully delulu, convinced her crush's vague social media post is secretly about her.
Some fans embrace a 'delulu' mindset as a playful, communal way to engage with their favorite artists, fully aware of the fantasy.