do the something thing

do the right thing

To act or behave correctly, appropriately, or with the best intentions. We are none of us perfect; I just try to do the right thing and let other people live as they wish.
See also: right, thing

do the right thing

COMMON If you do the right thing, you do what is morally right in a situation. I know I can rely on you to do the right thing.
See also: right, thing

do the right thing

marry a woman you have made pregnant in order to avoid a scandal. informal euphemistic
See also: right, thing

do the — thing

engage in the particular form of behaviour typically associated with someone or something. informal, chiefly North American
1999 Tim Lott White City Blue I was going to ask Tony there, oil us all with a few bevvies, and then do the best-man thing.
See also: something, thing