準備坐監；#八月十五 即係屁股，據説坐監會俾人#通櫃（現已廢除）或者#強姦，所以要洗乾淨屁股被人插 (to prepare oneself for a jail sentence; literally: to wash one's behind in preparation for going to jail)
動詞
粵典 (words.hk)香港短語
粵拼:
sai2 ding6 baat3 jyut6 sap6 ng5
sai2 ding6 go3 baat3 jyut6 sap6 ng5
準備坐監；#八月十五 即係屁股，據説坐監會俾人#通櫃（現已廢除）或者#強姦，所以要洗乾淨屁股被人插 (to prepare oneself for a jail sentence; literally: to wash one's behind in preparation for going to jail)