chiches, this word came from the word girly, once some family members were playing domino, and their uncle came to visit them. He made a joke, saying who are these chiches. This word became very famous among this family and it became like a boundage to them.
Now allot of peole would like to choin the group, approching the group saying chiches.
"chiches" it is a way of saying we belong together, like calling your friend hey my brother.