Used in the North-East of Scotland. Means to know something or to simply mean "I know"
Jock: "Here you kain that boy fae buckie with the gap tooth?"

Jimmy: "Aye, how?"

Jock: "He's a right arsehole eh?

Jimmy: "Kain"
by Naebody November 29, 2013
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Hey why is my name in this urban dictionary? I'm sub-urban.
Kain is my first name.
by Kain Schwarz October 5, 2004
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From Final Fantasy 4. Supposedly Cecil's best friend and rival even though he secretly lusts over Rosa, Cecils girlfriend. He even helps the villain kidnap her at some point.

He was being controlled by the villain but it is revealed a part of him wanted to do it. He is jealous of Cecil. Throughout the game he will join and leave you because he is a weak pussy who cant even keep control over his own mind.

Fangirls and boys alike cream their panties over him. Me? I just think to myself "w/ friends like this who needs enemies?"

Cecil and the rest of his party members let Kain rejoin them easily. Even Rosa who btw could have gotten killed thanks to him. So she is ok w/ letting this creep who wants to screw her and almost had her killed on their team. So Cecil is ok w/ being friends w/ this guy. Yeah the power of love and friendship WOOOOOO! -___-

The only one w/common sense is Edge. He should have thrown a blade in his face.
Kain: See annoying and overrated. Much like Sephiroth (aka mama's BAWING boy) and all those other long haired anime/jrpg guys who think they are all so badass. Its funny how in the end they almost always end up with nothing or dead. :)
by Ms. Rage November 24, 2009
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Villain in the movie "Tenchi Muyo in Love." Kain escaped from a subspace prison that the galaxy police and the king of Jurai had imprisoned him for the past 100 years. He managed to break free and escape, destroying the galaxy police HQ in the process, before time warping to the year 1970, going after the main characters, Tenchi Muyo, mother to kill her, since she is a descendent of the Jurai royal family and contains the same power that sealed him away. He as an A1 class criminal, code named KAIN, and is characterized as an energy form. His age, gender, history, and origin is unknown, and he was wanted on suspect of murder, destroying 13 federated planets and 275,000. In the English dub of the movie, he has what sounds like a Jamaican accent.
KAIN: I can feel it, it's so close, the blood of Jurai.

I honestly don't see how this was one of the definitions of Kain, there's more kain's then a vampire or hot guy..
by Young Fang July 20, 2013
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Kain is a stupid fuck who has no frind and tries to get in fights even tho his grades are good he is more retarted as jake paul Kain will probably grow up and have know frinds and go to jail like the rest of family and he is stupid as shit
Kain is asshole
by Jordan Robert June 4, 2018
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super smexy hott tall guy whose an awesome boyfriend and has the sexiiest girls and luvs being with his best friends and playing sports
by i get many girls October 25, 2010
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Kaine is an absolute saint. Has massive pickle, but doesn’t show it ;). All ways smothered with the hottest gals and guys. A strong believer in Scientology. Charismatic, loving, lusting person. If you find fuck em. Or he’ll leave you right then and there but like I said earlier massive pickle.
Person 1: do you hear that girl screaming!

Person 2: it’s probably Kaine and his large pickle.
by Totally maybe not gay? December 15, 2019
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