A person of German descent, or speaker of the German language who has exhibited the qualities of a Douchebag.
Also useful Deutschebaggish, Deutschebaggery.
Satan:"So, now that you're here, do you have anything to say for yourself?"
Hitler:"I spit on you and swear that it is the souls of the Jews that belong here in hell, and not I, leader of the master race! You bring disgrace to all of Deutscheland!"
Satan:"Man, and people think I'M bad... What a Deutschebag."
"I can't stand Rob and his Deutschebaggery."
1. A foreign "hipster" entrenched in the "Berlin lifestyle":
Ange - " What a Deutsche-bag. "