In Act One, Fiyero has elements of this. His response when Elphaba claims his carriage almost ran her over is to comment that his driver saw green (her skincolour) and thought it meant go, and when asked if he was sleeping rather than paying attention tells her that he was sleeping, it's daytime.
Elphaba very much.
Fiyero: Uh, listen, I've been thinking— Elphaba: Yes, I heard.
But that line is the least of it.
Nessarose: What are you doing here?
Elphaba: Well, there's no place like home.
Glinda and Elphaba: There must be some confusion for you see my roommate is...
Glinda: Unusually and exceeding peculiar and altogether quite impossible to describe.
Elphaba: [Beat] Blonde.
In 1776, Franklin, Jefferson, and Adams all have their moments, but Jefferson wins for sheer... deadpan-yness.
Adams: Do you mean to tell me that [the Declaration of Independence] is not yet finished?! Jefferson: No, sir. I mean to say that it is not yet begun.
And then, almost immediately afterwards:
Adams: He has a whole week! The world was created in a week! Jefferson: Someday you must tell me how you did it.
Speed, Servile Snarker extraordinaire from Two Gentlemen of Verona. Proteus jokes that he's so dry, he'd save a ship from sinking simply by being on it.
