The statement "neg wai dim sum" refers to the chikyness of the chink language, intended origionally as a pun, the statement was expanded to be used as a greeting call of high school students.
A derrogative term and vulgarity. Sze Wai is the greatest insult you could ever throw at someone. Calling someone a Sze Wai is the equivalent of using all vulgarities in the English and Chinese language against them.
A shit place human have ever lived
Some gang gang may be living in there Wherever places you want to go from Tin Shui Wai, it would take your life time