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louse up
Idioms and Phrases
Spoil, ruin, bungle. For example, The bad weather loused up our plans , or Your change of mind really loused me up . This slangy expression originated in World War I, when infestation with lice was the common lot of soldiers in the trenches; its figurative use dates from the 1930s.Example Sentences
I didn’t want to louse up the photo opportunity because it was the only chance to get the picture we all wanted, Clinton and Assad.
The winter storm bearing down on the region and most of the East Coast on Wednesday louses up plans for everyone but those who planned to sit at home in a rocker by the fireplace.
In either instance, it louses up my request.
I’m aware of it, still don’t use it, and yet I’ve yet to lose or corrupt any data or louse up the file system of a storage device.
I said okay, I didn't want to louse up the deal over a little thing like that.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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