妹紙 [－纸]

Jyutping mui6 zi2
Pinyin mèi zhǐ

Definitions (CC-CEDICT)
  1. (Internet slang) (pun on 妹子[mei4 zi5])
Definitions (Wiktionary)
  1. noun, colloquial, humorous, neologism
    young female (usually one who is intimate to the speaker); babe; girlfriend