gera-gera
Unrestrained belly laughter — the kind you can't hold back, often considered a bit rude in polite settings.
💡Friends sharing a hilarious story — 'Everyone was laughing gera-gera.'
友達の冗談にげらげら笑った。
I laughed gera-gera at my friend's joke.
The comedian was so funny that the audience laughed ___.
お笑い芸人が面白くて、観客は○○笑った。