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2.
Favourite past time of your more discerning necrophile involves cutting an incision into said body and doing the unmentionable to it
That mortician's a sick bastard he's always mumphing his patients
"Yeah some might call him a mumphmaster"
by Jono - Les Cimes November 06, 2003
 
1.
diggin up a corpse, affixing your friends lips to any sphinkter, and stomping on the stomach to send a (not-so) fresh shot of bodily contents into their mouth.
mumphing is a favorite passtime of the saxon footballers
by hawk March 26, 2005