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2.
Similar to planking, cadavering is a practical joke involving acting dead in a public place.
"Oh my gosh, is he dead?" "No, he's just cadavering."
by bearfruit April 09, 2012
 
1.
Verb, -to hit someone upside the head preferably with a a dead body(or cadaver).
For example:

Joe Schmo: 'Wow, you're acting like fucking idiot, i'll be cadavering you in about 5 seconds if you don't shut the fuck up.'
by Miranda and Haley May 10, 2010