bend over backwards to do something
bend over backwards
1. Literally, to lean backwards. I'm so sore after bending over backwards and doing all those weird stretches at yoga this morning.
2. To exert a lot of effort towards some end. This phrase is often used to express frustration when one's efforts go unrecognized. I have been bending over backwards to make sure that you have a wonderful visit, and you don't even care! The entire staff really needs to bend over backwards while the CEO is visiting our office.