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Jyutping maa1 maai6 pai1
Pinyin mā mài pī

Definitions (Wiktionary)
  1. intj, Internet, vulgar
    son of a bitch!

媽賣批 [妈卖-]

Jyutping
Pinyin mā mài pī

Definitions (CC-CEDICT)
  1. (vulgar) your mom's a prostitute (from Sichuan pronunciation of 媽賣屄|妈卖屄[ma1 mai4 bi1])