If somebody blocks you when you're walking, you're positively Edwardian in your manners. You do this sheepish little smile together, and you step aside. And you both do it at the same time, and you go "for goodness sake, what a to-do! Oh-ho-ho, dear me! I'll just eh, I'll just-oh, we did it again, can you believe it, I can't believe it! We should be on the stage! One more time, I'll just-oh, how did we ever get this far as a species!" But, for some reason, in a car, that becomes "YOU SPUNK BUCKET!".... from, you know, an eighty nine year-old church warden.