忍しのび笑わらい

noun

stifled laugh; chuckling; snickering

A quiet, suppressed laugh, often used when someone is trying not to be heard or is laughing secretly.

• 会かい議ぎ中ちゅうに彼かれは忍しのび笑わらいを漏もらした。

  He let out a stifled laugh during the meeting.

• 後うしろの席せきから忍しのび笑わらいが聞きこえてきた。

  I could hear snickering from the back seats.