GET something over with
to do or finish an unpleasant but necessary piece of work so that you do not have to worry about it in the future.
Ex.: I hate going to the dentist but I have an awful toothache so let's go and get it over with!
to do or finish an unpleasant but necessary piece of work so that you do not have to worry about it in the future.
Ex.: I hate going to the dentist but I have an awful toothache so let's go and get it over with!