save someone's ass or save someone's butt mainly AMERICAN, INFORMAL

, (RUDE)


If you save someone's ass or save their butt, you save them from a dangerous or unpleasant situation. Howard rushed up to me and said, `Thank you, thank you, you saved my ass.' You should be grateful — I saved your butt! Note: You can also say that you save your own ass, meaning that you escape from a dangerous or unpleasant situation. She climbed out the back of the car to get away, to save her own ass.

Save One's butt or ass 是一种很形象的口语说法， 也就是save的意思，只是更强调是你自己做了不好的事，要受到惩罚但是还是被好心人救了^_^