An object or person who has a rat looking aura, or something or someone who is extremely dumb.

Can also be used for oversmart, stylish people.
"Look at that guy, he's so Chichu!"
"Omg look that painting is so Chichu"
"Why do you like these Chichu chairs so much?"
by ani&me.forever January 27, 2022
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Someone is terrible or shit at something
Wow he is chichu
This kid is chichu at this 🎮 🥌
by Coopdachamp19 October 10, 2020
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