also: ふふ · ふふっ
interjection
Onomatopoeic laughter, often used to express a soft, suppressed, or slightly mischievous laugh. Can be used in casual writing, manga, or online chat.
ふふふ、面白い話だね。
Heh heh, that's a funny story.
彼女はいたずらっぽく「ふふふ」と笑った。
She giggled mischievously, 'hee hee hee.'
Katakana shorter variant.
Search-only form with small tsu, representing a clipped laugh.
Katakana search-only form with small tsu.
Onomatopoeic, representing the sound of soft laughter. The exact origin is uncertain, but it is a natural vocalization.