The douchebag version of yourself; someone who resembles you, but is a douchebag. (From the slang "DOUCHEbag" + the German "doppelGANGER" meaning someone who resembles someone else.)
Tyrone is a great guy; Robbie looks like Tyrone, but Robbie is a douchebag. Robbie is Tyrone's douchelganger.
by alex2000 May 24, 2009
The incarnation of an individual as might in appear in some alternate douchebag reality.
Sitting across from him in the cafe, Tom spied a man nearly identical in terms of dress and appearance, save for a telling look of undeservedly smug satisfaction. Tom had met his douchelganger.
by iantheman July 19, 2010