kill time

kill time idiom
Pass time aimlessly. For example, There was nothing to do, so I sat around killing time until dinner was ready. This idiom was first recorded about 1768.

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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