finish with something/somebody phrasal verb ( see also ↑ finish )
1 . have/be finished with something to no longer need to use something:
Have you finished with the scissors?
2 . have/be finished with somebody to have finished talking to someone or dealing with them, especially when you are angry with them or want to punish them:
Don’t go. I haven’t finished with you yet.
‘When I’m finished with you,’ he said, ‘you’ll be lucky if you’re still alive.’
3 . to end a romantic or sexual relationship with someone:
So I told him I wanted to finish with him.