Carnegie Library, Oakland.
An eccentric looking older man in a smoking jacket, ski cap, and wraparound sunglasses approaches a reference librarian:

Eccentric Man: So, let me get this straight: Do you condone shadow boxing in here?
[The librarian stares, confused.]
Eccentric Man:  I mean, I wouldn’t be allowed to go out in the hallway and shadow box?
Librarian:  Ummm… no, I don’t believe so.