one's walking papers
A notice of dismissal from one's employment or an order to leave or move on from a place. After messing up that account, I'm terrified that I'm going to get my walking papers any day now. The boss gave Daniel his walking papers for arriving to work late yet again.
*one's walking papers
Fig. a notice that one is fired from one's job. (*Typically: get ~; have ~; give one ~.) Well, I'm through. I got my walking papers today. They are closing down my department. I guess I'll get my walking papers soon.