(n)A shit that combines with water.Caca water can happen when you sit on VIDET and you sit there for ten minutes,and then water backs up the pieces of mojon like an ass tampon.
Then a half an hour you start feeling like you need to throw a fart,but then you for a second,seeing water shit comes running down your pants,then your fucked.
You can also use this word as an expression like for example.
1.This school milk taste like caca water!
2.This soup looks like caca water.
Juan:Oh fuck something is coming down your pants!!
Susan Boyle: Oh silly me. That just caca water