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Idioms and Phrases with raring to go

raring to go

Very eager to begin, as in The children were all dressed and raring to go. This idiom uses raring for rearing, and alludes to a horse's standing on its hind legs when it is anxious to get moving. [Early 1900s]

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