<blockquote>It's like having a curtain pulled back on something he wasn't expecting to see. A surprise punch-and-judy at an up-scale restaurant, a lobster thermidor when he's ordered an ale.
Crowley's gleefully trying to wrap his head around the fact that Aziraphale is speaking Polari. Because of course he is.
Or: The Patron Saint of London's LGBT Community is real, and he lives in Soho.</blockquote>