Untranslator

While watching a popsci documentary on muon detection in archaeology, I notice that one of the scientists/team-members wears a t-shirt, the front adorned solely by the words

"Garden Railway of My Favorite City".

Obviously, a rather clever bit of humour, and any local pointing a cameraphone at the English nonsense phrase receives a translation, entirely sensible in their own language due to vagaries and shortcomings in iTranslate. Wonderful. Oh how I laughed, having solved the mystery.

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Somehwat unrelatedly, proposed is a program/app that uses insider-level knowledge of common translation program algorithms to accurately deconstruct a machine-translation back to its input text.

Simply cut'n'paste the offending phrase into the "Wotchutalkin'boutWillis" untranslator app and get back either the original text, or another translation attempt - this time by the user's choice from more sophisticated translation programs/versions.

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Spoiler#1 : they found a new Great Pyramid chamber "the size of a 200 passenger aircraft", which linguistic practise begs repeated smacks upside the head, delivered appropriately.

Spoiler#2 : applying some google-fu, the back of the tee probably says "The High Line, NYC"

Spoiler#3: catchphrase in a vintage TV sitcom.