1
general::
End one's dealings with someone or something, as in I hope I've seen the last of those boring ice shows, or We haven't seen the last of Jerry? he'll be back. [Early 1800s]
American Heritage Idioms
2
general::
Phrase(s): see the last of someone or something
to have experienced the last visit, episode, adventure, etc., with someone or something. • I hope I have seen the last of Robert Ellis! • We have seen the last of grandma’s homemade strawberry jam.
McGrawhill's American Idioms And Phrasal Verbs