(slang) a leader or a chief of a group; often specifically a reference to the Commissioner of Police in Hong Kong, who is the head of the Hong Kong Police Force; a term to describe someone who is the most capable or particularly talented within a specific field
(noun) candidates who have failed in an exam; an idle loser who does nothing but chase after women all day (Chinese opera) the clown (with a painted white nose), who often acts the character of an idle prodigal or loser who just spends all their time chasing after women