chuckler

he's the class chuckler who always ruins serious moments with his laughter.

my uncle is a serial chuckler at bad jokes.

the nervous chuckler couldn't control his laughter during the ceremony.

she's known as the office chuckler because she finds everything funny.

the chronic chuckler laughed even when no one told a joke.

he's become the family chuckler, always keeping everyone entertained.

the involuntary chuckler burst out laughing at the most inappropriate time.

our teacher is a quiet chuckler who smiles while others laugh loudly.

the little boy is a mischievous chuckler who loves making others smile.

despite being a serious professor, he's actually a hidden chuckler.

the constant chuckler disrupted the entire meeting with his giggles.