a "take back," used to take back the word bitch. it is bitch fonatically spelled backwards. can also be used as a name for someone you think is the opposite of a bitch, like a friend.
EX1:
person1: You are such a bitch!
person2: TAKE IT BACK!
person1: Sorry... chib
The equivalent of a n00b. Generally it is used when someone is behaving in a ridiculously n00b-like manner. Like when someone is doing something pointless.
Chibbing around can also be another way to call someone a troll.