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1.
A figure of blame. If something has gone wrong, it invariably is John Kett's fault.

A John Kett can also be someone who enjoys drinking normal drinks, but whilst on fire. See - Flaming pint.
I can't believe the Conservatives are reducing Child Allowance - I know, I blame John Kett.

"My God! That man's pint of lager is on fire!"
"I know, he's doing a John Kett."
by Saffer77 January 13, 2012