A squeaker is a small, high-pitched sound, like a mouse or a small toy.
Squeaker can make people think of small, cute things or of surprise.
Examples:
The mouse made a squeaker.
The toy made a squeaker when I pressed it.
I heard a squeaker in the night.
The baby made a squeaker when she saw the puppy.
The elephant made a squeaker, but it was a very big elephant!
The toy made a squeaker, and it was very funny.