捧腹 [ㄆㄥˇ ㄈㄨˋ; peng3 fu4]
  uproarious
  hilarious
  to split one's sides laughing
  lit. to hold one's belly with both hands
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  捧腹
  ほうふく
  adjectival nouns or quasi-adjectives (keiyodoshi)
  noun (common) (futsuumeishi)
  convulsed with laughter
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