squealer

noun
UK /ˈskwiːlə/
US /ˈskwiːlər/

A squealer is a person or animal that makes a loud, high sound.

The little pig was a noisy squealer at feeding time.


OTHER MEANINGS

2. A person who tells on others to someone in charge.

Everyone called him a squealer after he told the teacher who broke the window.

3. A young pig that makes high-pitched sounds.

The farmer picked up the squealer and put it back in the pen.

4. A person who complains in a loud, high voice.

Stop being such a squealer and help us clean up.