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on top of the world

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Feeling very happy, delighted, as in She was on top of the world after her roses won first prize. This idiom alludes to the peak of success or happiness. [c. 1920]

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Fill in the blank: I can’t figure out _____ gave me this gift.

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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.

How to use on top of the world in a sentence

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