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I've Seen It a Million Times, including with the Rolling Pin of Doom, but I can't find it. I've checked the trope's related page
, the Threatening Tropes index, and the Body Language index, and I still couldn't find it. At first I thought Palm-Fist Tap would be the unarmed equivalent of what you're looking for, but it turned out to be more of a substitute for Idea Bulb.
Bump. I agree it probably is on this site somewhere, I'd be rather surprised if it isn't.
I'm not sure if this counts as a trope but you know that gesture when someone is wielding a bat, club, or similar weapon and keeps thumping it against their other open hand, as if to say "don't make me mad or I'll cave your skull in"? What is this called?
Edited by Bootlebat