2 definitions by Bigdaddy James

To throw something at someone with immense amounts of force with no reason other than to be an ass hole.
Wump: "Dude!! Ben totally just wumped me in the face with a dead kitten!!"
by Bigdaddy James January 25, 2009
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To throw a carton of milk at someone at full force.
Milk wump: "HA! I just milked wumped Mrs. Lichtenfeld in between the boobs!"
by Bigdaddy James January 25, 2009
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