口爽荷包垃 [－－－－－]

Jyutping hau2 song2 ho4 baau1 laap6
Pinyin kǒu shuǎng hé bāo lā

Definitions (CC-CANTO)
  1. describes someone who makes easy promises appearing to be generous but in reality is very stingy and reluctant to give what has been promised (usually refers to promises related to money)