1 N-UNCOUNT 泔脚；泔水 Pigswill is waste food that is fed to pigs. 泔脚；泔水

2 N-UNCOUNT 劣质食物；难吃的食物 If you describe food as pigswill, you are criticizing it because it is of very poor quality. 劣质食物；难吃的食物 [informal, disapproval]