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have been flapping

  • present perfect progressive
    of flap.
    flap
    verb (used without object)
    to swing or sway back and forth loosely, especially with noise.

Example Sentences

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My butterflies have been flapping about all day in anticipation of seeing him, like they’ve been rehearsing for a performance of The Nutcracker.

From "Red Flags and Butterflies" by Sheryl Azzam