An all round nice guy. German for small, not a common name. People called this usually are best in sports and smart along with it. Beats anyone called patrick or Louis. Is mega hot, is basically god like. Also a common jewish surname but has nothing to do with people who have it as a first name. :D
Holy shit is that Klein!
Damm Klein, hes so good a everything.
LEts get that bastard, oh wait its Klein!
by pepito23435 August 21, 2012
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1. Norwegian for hangover.

2. Norwegian for embarrassed, usually used when somebody have hooked up and are embarrassed upon meeting that person.
1. - Hvordan er formen? (How are you)
- Har vondt i hodet, er så sykt klein fra igår ! (I'm having an headache, I'm so hangover from yesterday)

2. - Møtte du henne igår? (Did you meet her yesterday)
- Ja, det var så sykt kleint! (Yeah, it was so embarrassing!)
by Shi Xue February 13, 2011
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When someone on a trampoline gets double bounced, loses control, and lands on a poor soul.
Joe gets double bounced and lands on Amin.
Amin: Dude what the heck man why'd you klein me?
Joe: Sorry man
by yo_its_me August 26, 2006
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Klein is another name for a douchebag.
"look at that Klein over there yelling at his girlfriend. didn't he cheat on her last week?"
by Kate021010 April 14, 2010
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Verb: Named after a particularily racist and bigoted user on the imdb forums. This refers to the practice of composing a single long,post and then using cut-paste to spam the boards with it without provocation. This can involve a month-old post or a new one, but it is generally used when the person in question keeps posting the same ramble over and over again, instead of using actual language.

Also called Kleining
"Would you please stop kleining all over the place? Post something different."
by Falcon2 August 14, 2005
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