pǐ
constipation
lump in the abdomen
雅痞
yǎ pǐ
yuppie (loanword) (Tw)
兵痞
bīng pǐ
army riffraff
地痞
dì pǐ
bully
痞子
pǐ zi
ruffian
痞子蔡
pǐ zi cài
Rowdy Cai (1969-), Taiwanese Internet writer