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key up

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verb
(tr, adverb) to raise the intensity, excitement, tension, etc, of
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use key up in a sentence

Other Idioms and Phrases with key up

key up

Make intense, excited, or nervous. For example, The excitement of the gallery opening has really keyed her up. This usage alludes to key in the sense of “wind up a spring-driven mechanism such as a clock.” [Late 1800s]

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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