Definitions

1. noun

A sudden, often violent, movement of the tail of a canine, especially a dog.

“The excited puppy began to wag its tail in a series of energetic wups.”

2. interjection

An expression of excitement or joy, often used to imitate the sound of a dog’s tail wagging.

“Wup! I just got tickets to my favorite concert!”

3. verb

To move or wag the tail of a canine, especially a dog, in a sudden, often violent, manner.

“The dog wups its tail whenever it sees its owner come home.”