
This morning’s conversation in my kitchen is a clear demonstration of just how much of a Shakespeare Nerd I really am.
H: I need egg cartons. Where do I get egg cartons?
Me: How many do you want?
I pointed to the top of my fridge where there sat a stack of egg cartons.
Me again: Take them all.
H: Oh wow! Thanks!
K: That’s awesome! I’ll grab them in one foul swoop and put them in the car.
Me: Well, that’s decided my blog post for today.
K: Huh?
In Act 4, Scene 3 of ‘Macbeth’, Malcolm and Macduff engage in testing one another’s loyalty to Scotland rather than to Macbeth, who has become king. During that conversation, Macduff learns of the murders of his wife and children at the order of Macbeth, whom he describes as a “hell-kite” who has slain his “chickens” in “one fell swoop”.

The deed was certainly foul, but that isn’t what Shakespeare wrote. He wrote “one fell swoop” which is an entirely different thing.
Here, fell means ‘fierce’.
It’s an image of violent attack, of hunting, and of predator and prey, which leaves the audience in no doubt that these murders were calculated and precise. The term “hell-kite” leaves the audience in no doubt of the evil motivations behind the slaying.