八字波 [－－－]

Jyutping baat3 zi6 bo1
Pinyin bā zì bō

Definitions (CC-CANTO)
  1. breasts that are shaped as "eight [八]" in Chinese character
Definitions (粵典–words.hk)
  1. 名詞
    形容​女性​雙乳向​外側​（​量​詞​：​對​）
    woman's breasts pointing to the sides