あはは

あはは
interjection
ha ha ha (laughing)
informalcolloquialemotiononomatopoeia
1. ha ha ha; laughing sound
an onomatopoeic expression representing open, hearty laughter; often used in text to express amusement
Ha ha ha, that's funny!
あははと笑(わら)った。
I laughed heartily.
「あはは、冗談(じょうだん)でしょ?」
"Ha ha, you're joking, right?"

Usage

An open, cheerful laugh; said with a flat or strained voice it can also be an awkward or nervous laugh.

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