take a number

verb2

1. •
   To queue; to wait to be served by being assigned a number and waiting for that number to be called after all previous numbers have been served in order of assignment.
2. •
   (figurative) To recognize that many others are in the same situation; to recognize that one's concerns are not of high priority; to be prepared to wait.

   • Wanna buy a television network? Take a number. A few years ago you would have had the field to yourself. — 1994