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1.
It's the face a person or animal makes when they're doing a hard caca, or taking a real good caca.
When my cat was squating over his litter box,I knew what he was up to because he had a squinty caca face on.
You will need to change the baby's diaper soon,because he's making a caca face.
by Trish01 June 11, 2007
 
2.
when someone is being irrational.
You caca face! or Why you gotta be a caca face!
by Your Name October 06, 2004
 
3.
Gettting really drunk. Another word for shit faced.
Rory you want to get caca faced this weekend?
by Nikolai Gonzalez April 05, 2007