Definitions by The random everything

Chu Chu baby

Chubby, An chubby or an (person being made fun of for nothing)

Samantha: OMG look at Ethan Yang he is soooo “Chu Chu Baby.
Janelle: ikr
Ethan Yang: Huh? Wdym?

An infamous foot 🦶🏼 that wiggles for its entertainment.

Boy: OMG is that an chu chu baby
Girl: I’m just wiggling my foot stupid!