means: All at once. It may refer to the swooping of a predatory bird, with the indication that there was a cessation of life in the prey because of the word 'fell' which is seldom used except in the context of (that tree was felled some time ago)
I ate the handful of grapes in one fell swoop.
by PaulMilo January 15, 2008
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Completing two tasks in one trip, for people who don't like to talk about violence against our feathered friends (i.e., "kill two birds with one stone")
Sarah: "I am going to go buy a Wii, let's go to Best Buy!"
Angie: "I need to get some milk at the grocery store, why don't we go do both, so we can rescue two squirrels in one fell swoop."
Sarah: "Perfect!"
by Heather Chandler January 18, 2011
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When 5 or more employees of the same company are being fired simultaneously on Zoom.
At better.com the CEO recently had no time to call his employees into his office . He chose to perform the one clean fell swoop treatment on 900 employees.
by Sexydimma December 25, 2021
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