Top definition
Usually at or on the brink of blackout. Combines the terms shit faced and wasted.
Can also be used interchangeably with "slattered" a drunk attempt at "slaughtered"
Guy 1 "Dude I can't believe you did a barrel roll off the roof last night"

Guy 2 "Man I was shwaced"
by Blue Huck April 21, 2010
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