げらげら

げらげら is an onomatopoeia for loud, boisterous laughter.

REGISTER:
Casual. Can sound somewhat crude or impolite - implies unrestrained, possibly inappropriate laughter.

COMMON PATTERNS:

• げらげら笑(わら)う: to laugh loudly
• げらげら笑(わら)い転(ころ)げる: to roll around laughing

CONTRAST WITH OTHER LAUGHTER WORDS:

• げらげら: loud guffawing (crude)
• くすくす: quiet giggling (stifled)
• にこにこ: smiling (no sound)
• けらけら: cackling (similar to げらげら but higher pitch)
• ははは/あはは: regular laughing sounds

USAGE NOTE:
Using げらげら to describe someone's laughter can be unflattering, implying lack of refinement.