屎窟窿 (si2 fat1 lung1) — the anus. Mand.: 肛門 in Cantonesesiˊ²屎fatˉ¹窟lungˉ¹窿Mandarin Pinyin: shi3 ku1 long5Meaning of 屎窟窿nounthe anus. Mand.: 肛門nounanus