ah, i miss calvin and hobbes. not christmas related, but my favorite
Calvin: BU-URRP!
Mum: Good heavens, Calvin! What do we say after that?
Calvin: "Must be a barge coming through!"
Mum: WHAT do you say?!
Calvin: "That sure tasted better going down than coming up!"
Mum: Three strikes and you're history, kiddo.
Calvin: Excuse me.
lots more good calving and hobbes quotes (no images though) at:
http://www.generationterrorists.com/...andhobbes.html