偏秤頭 [－－头]

Jyutping pin1 cing3 tau4
Pinyin piān chèng tóu

Definitions (Wiktionary)
  1. verb, Xiamen, Zhangzhou-Hokkien
    to cheat customers by altering weighing scales
    (syn.) 𰓆秤头, 摀秤頭