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1 definition by wvadam

 
1.
To take advantage of a friendship for personal gain. Generally sween-type actions against non-friends would result in the sweener being struck in the face. This word orignates from the Sweeney family, who are known 'sweeners'.
"I can't believe Carl SWEENED my last beer while I was in the shitter. If he wasn't my friend I would strike him in the face."
by wvadam January 23, 2009