One who is plays a game-console non-stop, doesn't stop talking about it and always makes inappropriate comments regarding the console and it's games. The console is usually Xbox 360, but in rare cases PS3.
Joe: What did you do yesterday when Katie went to your house, you shag her?

Mark: No I Made Her An Xbox Live Account And We Played Halo Till Early Dawn.

Joe: You're So Fucking KEEN!
by n00bMaan June 5, 2009
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"Hey Toddy wanna go to revolver and have a couple of pallets? I'd be keen, I'm not doing anything"
by Toddy keen August 8, 2015
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the act of being, wanting or trying to be a nerd;
P. Eng J: We must write reports for certain work terms. This term is not required, but I'm still writing one anyways
Dr. M: Why?
P. Eng J: Because I want to write one now so I can submit it for my subsequent work term. Yes doctor I'm KEENING, help me please.
by Engineer March 29, 2005
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Dutty slut who begs to be from Manchester, but is actually from outside of the city.
Becky Keen what a beg
by ndotfire June 12, 2011
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An exclamation used when something is going okay, sometimes used sarcastically.
That shot, the one that missed the goal, that was just peachy keen.
by Anonymous July 8, 2003
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