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1.
A total waste of space, incompitant inept idiot. like douche but worse. People whose mere presence drains your IQ.
Gaaawwwddd! That guys is such a douchetwat. I should kick his ass for making us all dumber for listening to him.
by Oxman85 January 29, 2007
 
2.
One have the characteristics of both a douche and a twat. Specifically being whore-like and permiscuous, as well as pompous and idiotic.
Colin was acting like such a douche twat when he slept with that skanky asian.
by Jet Lej August 14, 2006