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a small group of teen girls who spend their life laughing until they poop in their adult sized diapers..
"this is how the Chi Chis ride bikes."

by penelope x3 August 24, 2006
To go to the bathroom. Only going pee.
"I have to go chi chi."
by ashlee March 13, 2005
a lil pieace of paper that white boys use to cheat on a test or exam
that muthafucka is usin a chi chi for the exam dog ,i might have 2 get me 1 of those shit.
by tupac May 27, 2004