Jackbag
Noun; A cross between jackass, from Old English and the German word for jerk, douchebag . Can also be used as an adjective to describe a dick move.
In response to a stupid act, Matt asked, "Why are you acting like such a #@$&%ing jackbag?"

"Altman, I can't believe you did that in that bathroom, that was a real jackbag move of you!"