Eeww… The cigarette lighter thing in the Porsche was a really gross image. I bet there is some actual real-life precedent for this, because this is too weird to dream up.
That’s German. This is the standard response a Nazi soldier would have given to Hitler, I think. Kinda like “Yes, Sir!”, only implying it’s being said in Nazi Germany. Same goes for the heel click and raised hand.
Did you notice the last panel? Sam’s eyes changed from “child eyes” to “doonesbury eyes” :)