啤灰 [－－]

Jyutping be1 fui1
Pinyin pí huī

Definitions (CC-CANTO)
  1. to take heroin [colloquial]
Definitions (粵典–words.hk)
  1. 動詞、黃賭毒
    即​係​食​白粉​（​海洛英​）
    to do dope; to take heroin