short notice, on
Also, at short notice. With little advance warning or time to prepare, as in They told us to be ready to move out on short notice. The noun notice here is used in the sense of “information” or “intelligence.” [Late 1700s]
What Is “GOP” Short For?The Republican party has a lot of history. Its origins are interesting in their own right, but one particular part of the party's history is its nickname: the GOP. Where did this nickname come from and what in the world does it mean?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.