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1.
(doosh gahr'-gler)--n.

A socially deficient, morally reprehensible, or intellectually inferior person. The term implies a variety of negative qualities, specifically unwarranted arrogance and levels of inadequacy that exceed classification as a Douche, a Douchebag, a Douche Nozzle, or an Über-scrote.
Jill: "Dick is a real douchebag!"

Jack: "No, Dick has attained such unprecedented levels of douchebaggery, that he's actually a Douche Gargler."

Jill: "Yep. That's Dick all right. A total Douche Gargler."
by Doctor Derek Faux March 18, 2009