slang glossary / caillou

What does "caillou" mean?

Updated 2026-09-16 · TeenLore Daily

Meaning

Calling someone bald, referencing the hairless cartoon character. Usually playful roasting among friends.

How teens use it

bro got a fresh cut and they still calling him caillou 💀

Parent note

Harmless teasing about baldness or a bad haircut. It's Gen Z's version of older insults but less harsh. If your kid uses it, it's likely just friendly roasting.

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