拉鉤上吊，一百年不許變 [－钩－－－－－－－许变]

Jyutping laai1 ngau1 soeng5 diu3 ， jat1 baak3 nin4 bat1 heoi2 bin3
Pinyin lā gōu shàng diào ， yī bǎi nián bù xǔ biàn

Definitions (Wiktionary)
  1. phrase
    A phrase uttered when making a pinky promise.