How to read: わらわら、にこにこ
Pronunciation: 
Same names and idioms in reading:
Names and idioms with total stroke of 20:
加蔵 恵島 國木田 拙者方 足高山
Names and idioms similar to 笑笑:
北叟笑む 笑海 思笑琉 笑迫 打ち笑む
Yojijukugo(idioms with 4 Kanji characters) including 笑笑:
呵々大笑 含笑入地 千金一笑
Idioms including 笑笑:
一笑に付す 会心の笑み 膝が笑う
Proverbs including 笑笑:
猿の尻笑い 一円を笑う者は一円に泣く 目糞が鼻糞を笑う