It's Chinese English. In Chinese, 'Zhuang' means 'play'. 'Bi' is '
pussy' in English. Literally 'zhuangbility' means 'to play
pussy' or 'state or action of playing
pussy'.
Zhuangbility means 'to boast' or somewhat in English.
Many
people think they are full of niubility, and like to
play zhuangbility, which only reflect their shability.