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1.
To put it simply, a dumbass, an idiot.
John M. is a damn asswang.
by The Cowboy May 08, 2005
 
2.
a person who has had their wang surgically removed from their pelvic area, and re-issued to their ass.
Pat: man that guy has an asswang
Phil: yeah he got it done last week
by Pat8969 September 22, 2005