OYSTER CARD (n.) So named after the plentiful food eaten by the poor in London. On presentation those without their own sedan may gain access to an omnibus, thus keeping the streets clear of the unwashed
Dr. Johnson’s London Dictionary for publick consumption in the twenty-first century avail yourself on Twitter @JohnsonsLondon
CabbieBlog 
Another classic!
(Maybe they should extend Oyster Card use to black cabs?) 🙂
Cheers, Pete.
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Yes! But would the Oyster Card be valid Sarf of the River?
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You wouldn’t have to worry about that, as you never go there. “Sorry mate, just going off duty. Wrong direction for me”. 🙂
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