肏蛋 [－－]

Jyutping cou3 daan2
Pinyin cào dàn

Definitions (CC-CEDICT)
  1. lousy
  2. rotten
Definitions (Wiktionary)
  1. adj, Mandarin, colloquial, vulgar
    bad; poor; shoddy; unsatisfactory; unlucky; jerkish; bastard