Definitions

1. noun

A small or fat fish, especially one that is young or of a species that is common in fresh water.

“The chub is a popular game fish in many parts of the world.”

2. noun

A small, rounded or oval-shaped growth or protuberance on a person’s face or body, typically caused by a pimple or a boil.

“She had a big chub on her cheek that she tried to hide with makeup.”

3. verb

To add or increase something, especially weight or size, in a gradual or subtle way.

“The tourists’ luggage chubbed up the entire room with their excess bags.”

4. verb

To swell or become larger, especially in a gradual or subtle way.

“The balloon chubbed up with air as the child inflated it.”