A person who is always slacking. Needs to step his game up and needs to stop slacking.

One who seems to be slacking and has grammatical errors.
Yo, don't be a Kevin. Step your game up.

Did you see him? He's acting like a Kevin.

Stop slackin, you don't want to be a kevin
by Nevaeh Isabel Sarmiento May 27, 2010
-A guy who is not the nicest guy in the world.

-Usually synonymous with "douche bag" or "jerk."

-A guy who is two-faced, and who lies.

-He appears to be charming and sweet, but underneath that facade he is garbage.

-Girls tend to like him, because a "kevin" is also, by definition, good-looking, but he is bit too well-groomed.

-Many people think that he is homosexual, when really he is just a feminine male.
Girl 1: Wow, I thought I really liked that guy but now I realize that he totally stabbed me in the back.

Girl 2: Forget about him, he's such a kevin.
by oregonbabe May 12, 2010
KEVIN... :(
According to Hitchikker's Guide to the Galaxy: Any random entity that doesn't know nothin' about nothin'.
That guy is such a Kevin, I'm certain his IQ is straining to pass room temperature.
by hg11 June 29, 2009
Kevin is basically the best boyfriend ever. He's understanding, caring, and a great listener. You can act like a five year old with him but also have heart to heart conversations. Kevin has his struggles but always puts other people first. He acts strong but has a tendency to break down and not ask for help. He has the best eyes and personality. He can always manage to make you smile. Kevin is the sweetest, funniest, most amazing guy you will ever meet. It is extraordinarily easy to fall in love with his cute, sweet, and incredible self.
Friend: My boyfriend is so amazing!
Other friend: He must be a Kevin!
by she-justtakessomegluetostay March 25, 2013
Kevin- A sexy assed curly haired boy. He is amazing in every sense of the word. He extremely smart and is also amazing at sports, he is very athletic making his body toned and muscely. He is sweet kind and funny. He is a sound guy and all the girls want him, but he is shy. He does not like too much attention and is a bit of a flirt. He will stay faithful to his girl and make sure she knows she's beautiful and sexy. He is an utter babe. When talking about boys, girls sometimes refer to them as a Kevin!
Female 1: He's the best looking lad in out school!
Female 2: But yet he's so sweet and doesn't think he's good gift.
Male 1: I'd turn gay for him any day.
Female 1: He's so athletic and his ass is Soooo sexy.
Female 3: I'm so glad he's mine.
Female 2: You'v got yourself a Kevin ;)
by Ginger nerd.... :) September 17, 2011
A jerk of a guy who has little to no self control or common sense. He is completely inept in every way. He is an unattractive guy, crass and ignorant. A Kevin is a disloyal sort, if given the chance he will turn on you like a rabid dog. Don't ever trust a Kevin. He will take you for everything he can, use you up and toss you aside.
Kevin is an ugly guy with a bad attitude, avoid him like the plague.
by The Good Wife February 03, 2010

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