What an affectionate dog (often a puppy) does to a person or sometimes another dog they like. A chibble is done with front teeth and is very quick in motion. It is not biting because the mouth does not open wide and it is not a form of aggression. Chibbling is the series of chibbles. Sometimes a chibble can pinch so it is important to know the. Dog is showing affection not trying to injure.
When a puupy sees a person she/he loves the dog shows love by chibbling on the human's skin or clothes.