《笑林广记·殊禀部》
主人追问其原因，友回答说： 实不相瞒，我老婆十分厉害，家里有便桶未倒，如果回去晚了，将要受苦不堪矣。 
友究其故，曰： 实不相瞒，贱荆性情最悍，尚有杩子桶未倒。若归迟，则受累不浅矣。 
The host asked him the reason. The friend replied, "To tell you the truth, my wife is very fierce. There is a commode at home that has not been flushed. If I go back late, I will suffer."