What Does "Delulu" Mean?
Pronunciation: /deh-LOO-loo/
What "Delulu" Really Means
Delulu is a playful abbreviation of "delusional," used to describe someone who has an unrealistic belief or fantasy — most commonly about a celebrity, fictional character, or romantic interest. It became widespread on TikTok in 2023, particularly in K-pop fan communities where fans would joke about believing their favorite idol is their "boyfriend" or "girlfriend." The term can be used self-deprecatingly ("I know I'm delulu but...") or to describe others. "Delulu is the solulu" is a popular spin-off phrase meaning your delusion is the solution to your problems.
Origin & History
Emerged from K-pop fan communities on TikTok around 2022–2023.
Tone & Context
This slang is generally considered neutral in tone. Social media, casual chat. Can be self-deprecating or teasing.
Example Sentences
- "She thinks BTS's Jungkook is going to marry her — she's so delulu."
- "I'm being delulu but I think my coworker likes me."
- "Delulu is the solulu!" (ironic affirmation of wishful thinking)
Related Slang
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Browse our full TikTok Slang dictionary for more terms, or check the complete slang glossary.