RXKEN

The word 屌 does not have a good meaning in Chinese or Mandarin if you look up the dictionary.

http://dict.revised.moe.edu.tw/c ... ;op=f&imgFont=1

However, the young people picked the word up and created a new meaning to it.
It represents the coolness (eg. 好屌), cockiness (e.g 在屌什麼?), and uniqueness (e.g. 太屌了)