"Uri Geller's greeting is un-English in its intrusiveness". A very dangerous word, this. For a start, I defy anyone to exactly explain what being English means at any time in our chequered history. A dictionary defines it as: Not having the characteristics of British people or practices. But the definition cunningly fails to define those characteristics. Shades of the McCarthy witch hunt perhaps, when communists were described as "un-American".
ACID TEST, used to show positive verification, derives from using nitric acid to determine gold purity in currency