To act on behalf of a person in authority, executing their every command.

(slang, dated) To do something well or thoroughly.

(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

present participle of do one's thing

present participle of do the handsome thing

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.