I think that, that particular avatar indicates a troll.
When has anybody ever stereotyped British as having bad teeth? Seriously, when? Even I didn't know anybody was stereotyped to have bad teeth.
Truth be told though, Americans are fat and dumb.
English
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What? Are you trolling?
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[url=http://images.sodahead.com/polls/000786971/polls_British_5931_270441_answer_1_xlarge.png]Ahem.[/url]