What I'm listening to this very second is my 2 cats sounding like they are going to make shredded lettuce out of each other in the next second but they are wrestling with their claws in.
Reminds me of the two I had in the 1990s, they'd do the same thing, make noises like some terrible trauma was being done & when I ran around the corner to stop it they were lying there merely flipping their front paws at each other. They looked up like, "Hi. Is there something we can do for you?"
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"There are a thousand things that can happen when you go light a rocket engine, and only one of them is good."
Tom Mueller of SpaceX, in Air and Space, Jan. 2011