plug

plug idiom
In addition to the idiom beginning with plug, also see peg (plug) away at; pull the plug on.

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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water down the plug hole185 years ago

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