Great explanation; I can't stop watching the teaser http://popcornlinux.org/sources/video/sosp-19-tutorial.mp4
It could mean "What the heck is going on?", when accompanied with a different facial expression.
I actually had to try it out in real life... I can’t think of gesticulating in the abstract.
Seems like you can take the Italian out of Italy but not Italy out of the Italian.