(idiomatic) To take the most honourable or appropriate course of action, even if is not necessarily in the person's own interests.

(idiomatic, slang, humorous) to treat someone in a negative manner

plural of cock-a-doodle-do

plural of how-de-do

Pronunciation spelling of how do you do.

Pronunciation spelling of how do you do.

Alternative form of one's got to do what one's got to do

Alternative form of one's got to do what one's got to do

A person must do what he or she feels obliged to do.

One should not carry out an action if they are unwilling to handle the consequences.