in two shakes

in two shakes idiom
Also, in two shakes of a lamb's tail Very quickly, very soon, as in I'll be with you in two shakes, or She'll be finished in two shakes of a lamb's tail. The longer idiom alludes to the friskiness of lambs; the shorter one may be an abbreviation of the longer one, or it may refer to the shaking of dice or any two quick movements. [Early 1800s]

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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