The Middle Finger a vulgar gesture in some communities, some find it humorous.
In other countries it's the folding of the arms or the thumb sticking out
(this why "Happy Days" show probably will never show there).

Sometime referred as "Flipping the Bird" "Screw You" "One Finger Victory Salute"
"Giving someone the finger" "The Highway Salute" "Flicking somone off".

Stories of this 2500 year old symbol from the Ancient Greeks
of a insulting gesture we used.

Somethings last for a long time
don't they?