fly high

fly high idiom
Be elated, as in They were flying high after the birth of their first baby. This expression alludes to a high pitch of feeling. [Mid-1600s]

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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