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shake with laughter

Convulse with the humor of something, as in When asked if he was planning to give away the bride, he shook with laughter at the very thought. [Early 1700s]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.