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Someone/something has mopped the floor with you in an efficient manner.
You've just been shamwow'd.
by 1001010010101 February 11, 2009

when a person gets so drunk that the only thing that could make them sober is to absorb the alcohol in their blood with a shamwow.
Matt got so shamwow'd that when the cops showed up he asked them to sign his case of Coors Light.
by auburndrivexo September 04, 2010
(This came from when the shamwow dude punched the prostitute)
You just got shamWOW'd!
I'm going to shamWOW you!
by Somethingstinks May 24, 2009