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Jyutping wu2 cing3 tau4
Pinyin wǔ chèng tóu

Definitions (Wiktionary)
  1. verb, Hokkien, Quanzhou
    to cheat customers by altering weighing scales
    (syn.) 食秤頭, 偏秤头, 偏秤頭, 唬秤头, 食秤头, 唬秤頭