Do one`s thing

To do what one wants to do and enjoys doing. My friend enjoys doing his thing when and where he chooses.

Do or die

To make a great effort. It was do or die for the man when he started his new job.

Do over (something) / do(something) over

To repeat something, to do something again. The teacher made me do my homework over.

Do (someone) good

To be good or beneficial for someone. It will do my friend good to go on a holiday.

Do (someone) out of (something)

To cheat someone out of something. The man was worried that the company would do him out of the bonus that he was expecting.

Do (someone’s) bidding

To do what someone else wants. The principal was able to get the head teacher to do his bidding with the other teachers.

Do something rash

To take drastic action (usually without thinking). My friend is extremely angry and she may do something rash.

Do (something) by the book

To follow the rules of something exactly. Our boss likes to do everything by the book.

Do (something) like it is goingout of fashion/style

To use/buy/eat much or too much of something. My friend is spending money like it is going out of fashion.

Do the dishes

To wash and dry some dishes. We did the dishes soon after eating dinner.