Nibble is a pet term used to describe a small animal, usually a dog or cat, that likes to bite or chew on things. It can refer to a playful, mischievous pet that chews on furniture or toys, or an animal that has a tendency to bite when it gets excited or scared.

Nibbling behavior can result from a variety of causes, ranging from boredom to teething pain. Many puppies and kittens will nibble as part of their exploration and learning process, as they are curious and want to explore their environment. It's also important to note that some animals nibble out of fear or anxiety, which can be caused by a variety of things, such as being separated from their owners, being in a new environment, or being around unfamiliar people or animals.

In order to prevent unwanted nibbling behavior, it's important to provide your pet with plenty of toys and chew items to keep them occupied. Exercise and mental stimulation are also important for preventing nibbling behaviors. If the nibbling is a result of fear or anxiety, it's important to identify the underlying cause and address it. It may be helpful to seek advice from a veterinarian or trained animal behaviorist to help with this.

In general, nibbling is a common behavior in many pets, and doesn't necessarily cause harm. However, it's important to monitor your pet's behavior and address any unwanted behaviors in order to keep your pet and your home safe.