捧腹大笑 [－－－－]

Jyutping pung2 fuk1 daai6 siu3
Pinyin pěng fù dà xiào

Definitions (CC-CEDICT)
  1. uproarious
  2. hilarious
  3. to split one's sides laughing
  4. lit. to hold one's belly with both hands
Definitions (Wiktionary)
  1. phrase, idiomatic
    to laugh uproariously; to burst out laughing