[Saturdays should be for lazing about, in Crowley's opinion, not for insistent knocks at his door. In other circumstances, he might ask Aziraphale to get it, but the angel has popped out to the library for the morning, so he has to haul himself to his feet.
It means his expression is a little annoyed, as he opens the door.]
invites
It means his expression is a little annoyed, as he opens the door.]
Can I help you, ma'am?