play ball

play ball idiom
  1. Cooperate, as in The opposing attorneys refused to play ball with us. [Slang; c. 1900]
  2. Get going, start, as in It's time to get a move on; let's play ball. This usage comes from the baseball umpire's call to start a game. [Slang; late 1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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