a young dude; a young lad [colloquial]

a Mong Kok youngster; a youngster who embraces the Mong Kok punk culture, typically someone who follow trends blindly to the extent that they exhibit poor tastes or bad mannerism; describes idle youngsters that wanders around in the streets of Mong Kok [colloquial]

14K, a triad gang [written and colloquial]

to be in a dilemma [colloquial]

to go to karaoke [colloquial]

to be on different wavelength; incompatible; unable to get along well [colloquial]

to be on the same wavelength, describes the good compatibility of the two (or more) individuals; to get along well with

a woman who is in charge of supervising a brothel [colloquial]

effing arrogant; flashy; impressive [colloquial]

to adopt the ethnic style of dress

to take ketamine (drug abuse) [colloquial]