a parting shot

a parting shot

a remark that you say as you are leaving somewhere so that it has a strong effect Her parting shot was 'I'm going to spend the evening with people who appreciate my company!'
See also: parting, shot
References in classic literature ?
He was encouraged to chance a parting shot, now, at the same target, and did it.
Onley got up to go, but turned at the door and delivered a parting shot.
He surrendered the wheel, picked up the tray, and for a parting shot informed me that Mr.