hold the phone
Stop what one is doing, as in Hold the phone! There's no sense in continuing this argument. This expression is often put as an imperative, as in the example. [Colloquial; second half of 1900s] Also see hold everything.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.