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A “Jimbonium” is a term or phrase that describes a factual comedy news headline. The headline usually contains numerous puns, crude references and occasionally taboo words. A Jimbonium is a relatively new term but was invented by Sir Jimbonium in December 2009.
Real life Jimboniums:

'Crime lord's' fake penis falls off in raid

"MAN GETS WILLY STUCK IN PIPE"
by Dr Jimbonium January 10, 2010
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