a willfully ignorant person considered to be a waste of sperm thus polluting the environment from their idiot infection.

any irritating, mis-matching information giving individual who is careless and reckless in societal settings.

any given person suffering from shithead syndrome, dickhead disease, moron malignancy, terminal temper, two-faced tremors or any maliciously intended "cognitive blooper".
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"So dude/chick told me this and then later changed her story claiming another"

"What a douchebag."
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"Dick/Bitch almost hit me on the bike with their truck/car/van."

"What a douchebag."
by Douchebag Annihilator January 2, 2010
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The name of the guy dating the girl of your dreams.
Can you believe Laura is seeing that guy?!! What a douchebag.
by christopher5000 April 8, 2007
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1. A personality type that is well-defined by other definitions here

2. Describes a certain look or style, especially when someone dresses in the most tasteless fashion possible.

3. What the vast majority of the guys at my school dressed like at the senior prom.
Wow, look at Tom over there, wearing a backwards-facing baseball cap with his tuxedo. And there's Damon, dressed like a total poser with his gaudy and trashy-looking wannabe-pimp outfit and bling bling. I don't think anyone could look anymore like a douchebag than those two.
by no7orious July 2, 2009
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A person who has little intelligence and who constantly gets on people's nerves of no apparent reason. Typically cares about no one else and is overly confident. Downplays and ridicules others that are superior to himself/herself.

Karen is such a douchebag. She thinks and acts like she's better than Joanthan even though in real life, Jonathan is better and smarter than Karen. Not to mention, her face smells like one too.
by J to the O Jonathan February 27, 2007
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Someone who wears white Oakley sunglasses.
Mitch- "Hey is that guy wearing white oakleys?"

Steve- "Yea man. What a Douchebag!"
by YourNewGod July 6, 2009
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A person with a shitty personality that needs to "take themself the fuck down" or "go home and get their fucking shine box." A douchebag usually assumes the form of a hair-gelling pretty-boy but can also be described as an overzealous, pompous, or vexatious asshole that most people wish were killed with a Mortal Kombat fatality.
Damn, i thought "Beverly Hills 90210" won the permanent award for most douchebags casted in one weekly television show, but then someone had to go make that show, "Friends."
by drdecent February 11, 2004
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someone with a myspace that has more friends than the population of their hometown.
Hello, DOUCHEBAG!
You have 46346874161 friends.
by SKEETERBITES December 21, 2006
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