Having the qualities of a douchebag; often seen in those with an abundance of first names, the socially awkward types, and/or the class know-it-all which everyone despises.
"Zachary Micheal Paul showed extreme douchebagginess when he blurted out the answer in class and then scanned the room to make sure everyone heard him."
douche bag:Hey! check out my new ride! its tight! it has everything you can imagine in it! it cost me 300,000 bucks! i can afford that though because i am awesome!......
non douche bag:Dude WTF did you just say? i don't speak douchebagnish