Snicker

He couldn't contain his snicker when his little sister made a funny face.

The audience began to snicker when the comedian told a particularly crude joke.

The bully likes to snicker at the quiet kid in class.

The snicker from the boy embarrassed his mother in front of her guests.

The sound of a snicker from the back of the classroom disrupted the lecture.

The employees would snicker at their boss's ridiculous ideas.

The snicker from the girl made it clear that she wasn't impressed with the boy's joke.

Can you snicker a little bit of this paper off?

The snicker from the man in the elevator made everyone else feel uncomfortable.

She couldn't help but snicker when her friend told her a funny story.