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There's another one where you make a loose fist and use your thumb as a pointer (eg https://i.insider.com/581118cab28a64c9018b52c1?width=1300&fo...). I'm guessing actual pointing is seen as overly aggressive?

It's called chironomia and it has a very long history - there are even dictionaries of gesture, with systems of notation.




Wow, I've always associated that gesture with Blair.

Sometimes I do it to annoy my partner, when I should be giving a thumbs-up I'll do this instead.




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