lap up

lap up idiom
Take in or receive very eagerly, as in She loves to travel—she just laps it up, or The agency is lapping up whatever information their spies send in. This expression alludes to an animal drinking greedily. [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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