## What does it mean?
“Delulu” is a slang term that means someone is acting irrational or out of touch with reality.
## Etymology (where it comes from)
- The word is a blend of **“delusional”** and **“lulu.”**
- **“Delusional”** comes from Latin *deludere*, meaning "to deceive."
## Historical origin
- This term likely originated in the United States in the early 2000s.
- It became popular in online communities and social media.
## Earliest records
- The term appears in social media posts and online forums.
- It is often used in casual conversations.
## Variants and usage by country
- **Delusional** (standard English)
- **Delulu** (popular in online slang)
- **Delu** (shortened form)
## Related words
- **Delusion** (English)
- **Illusion** (English)
- **Folly** (English)
- **Délire** (French, meaning "delirium")