also: くすっとわらう
expression, godan verb (-u)
give a little chuckle; let out a giggle
Describes a soft, suppressed laugh, often involuntary or in a quiet situation.
See also: クスッと
彼の冗談に、彼女はクスッと笑った。
She let out a little chuckle at his joke.
会議中
I accidentally giggled during the meeting.