last roundup

noun2

1. •
   (US) A final gathering of people or items; the final event in a series of events involving a group or organization.

   • It's last roundup time, my fellow grocery patrons. On Saturday, the receipt redemption programs operated by Giant Food and Safeway ended after a 5 1/2-month run. — 1998
2. •
   (US, euphemistic) Death.

   • So Duke is 66. But don't kid yourself that he's headed for the last roundup—even though it may have looked that way a while back when he surrendered a lung to cancer. — 1973