to finish sth unpleasant so that it does not continue; to have finished dealing with sb, or doing or using sth; to need or want something one lacks (in could have done with)
Oxford60% of films
to finish sth unpleasant so that it does not continue
Tell him. Tell him and have done with it.
Better let her have her cry out and have done with it.
Oxford20% of films
to have finished dealing with sb, or doing or using sth
You'll dismiss when I have done with you, sir. Do you hear me?
Editorial20% of films
to need or want something one lacks (in could have done with)
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition