In parts of Europe, that gesture means 'voulez-vous bummez avec moi ce soir'
(,
Tue 31 Oct 2023, 21:36,
archived)
in some parts of the worldit means "white supremacy", so YMMV
(
JustHere4Coffee remembers when all o' this were car parks,
Wed 1 Nov 2023, 0:18,
archived)