the meaning of my nickname

my nickname is CHACA (it's read caca)
and do u know what it means?
well, here is the meaning:

caca
The creepy brown stuff that comes out of your other mouth. But don't eat it or else you'll turn retarded
Hey, caca just came out of my butt.

Caca
A piece of hot poop, crap, or s*#t. A huge crap.
Oh man, I just took a huge caca.
Caca on that! (same effect as "Screw that!")
What! Someone just caca'd all over the bathroom.
It smells like total caca!