From The Beginning of Nudge, Nudge - Monty Python

This scene from the beginning of the Monty Python sketch "Nudge, Nudge" only takes about five seconds, but it shows a wonderful comedic brilliance and an honest subtlety in the way it's acted.

What could the man at the bar possibly be reading that is so interesting to the half mesmerized interloper beside him?

Oh, oh...he's been found out.

"Cor blimey squire, that's a good one eh? Know what I mean?"

Annoyed, the patron raises his eyelids in silent, bewildered astonishment. One can almost here him thinking, "What's with this nutter?"