屎 (si2) — (of quality, ability, etc) no good, poor in Cantonese
siˊ²屎Mandarin Pinyin: shi3
Meaning of 屎
noun(of quality, ability, etc) no good, poor
nounexcrement; dung; faeces; shit (vulgar)
nounexcretion (of the eye, ear, etc)
noun(adjective) (of performances, quality, etc.) 1. Poor; 2.bad