Dating slang

Delulu

adjective (slang) /duh-LOO-loo/

Delulu is playful slang for "delusional" — holding unrealistic, overly optimistic beliefs, often about a crush or relationship.

What does “delulu” mean?

Delulu is playful slang for delusional. It describes someone holding unrealistic, overly hopeful beliefs — classically about a crush, a celebrity, or a relationship that isn’t really happening. It originated in K-pop fan communities to describe fans with unrealistic fantasies about idols, then spread across TikTok into dating and everyday use.

How “delulu” is used

It’s usually lighthearted and self-aware — people most often call themselves delulu, half-joking, about a crush:

  • “I’m fully delulu about him texting back.”
  • “She’s being a little delulu about that situationship."

"Delulu is the solulu”

This popular phrase means “being delusional is the solution.” It’s a tongue-in-cheek motto: sometimes unrealistic confidence or stubborn hope is exactly what pushes you to shoot your shot. Half meme, half manifestation mantra.

Frequently asked questions

What does delulu mean?

Delulu is a cutesy shortening of "delusional." It describes someone holding unrealistic or overly optimistic beliefs — most often about a crush, celebrity, or relationship that isn't grounded in reality.

Is calling someone delulu an insult?

Usually it's lighthearted and self-aware. People often call themselves delulu, jokingly, about a crush. It can be a mild jab, but it's mostly used affectionately or humorously.

What does "delulu is the solulu" mean?

It's a popular phrase meaning "being delusional is the solution" — a tongue-in-cheek motto that unrealistic confidence or hope can actually get you what you want.