Unusually fine; dandy.
How are you doing on this lovely Monday day, my dear friend?
Why, peachy keen, of course, my dearest friend. And you?
Just swell. Dandy and spiffy, as well.
by PeachyKeen July 10, 2003
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a sweet black girl from nc who loves to draw
do you like makenzie keene? yep shes so cute!!
by benjeyfan September 18, 2020
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Robby Keene, the hot guy from Cobra Kai. The son of Johnny Lawrence, the ex boyfriend of Samantha Larusso and the enemy of Miguel Diaz.
A guy named Clarence: "Yo man have you soon that badass show Cobra Kai"
A guy named Stingray: "Yea dude I watch it for ROBBY KEENE"
by emmablossom April 28, 2021
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Someone who doesn't ride a bike at all, but has one in the shed / garage from years ago (usually with flat tyres, rusty chain and seized up components).

Always used by someone objecting to / complaining about any cycling infrastructure, to try to give credibility to a selfish argument or point of view.
I'm a 'keen cyclist' but I don't want these cycle lanes in front of my house.
by Brownhorse August 17, 2021
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If you say that someone is mad keen on something, you are emphasizing that they are very enthusiastic about it.
Steve is mad keen on fishing
Sarah is mad keen on racing
Phil Ivey is mad keen on poker
by verykeen December 31, 2011
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To show no interest or concern for an activity.

The opposite of the phrase 'keen as mustard'.

The phrase is believed to come from the fact that mayonaise is the opposite to mustard. They are both condiments but mayo is to an egg what mustard is to a seed.
Person 1: Have you written much of your essay?
Person 2: Nope, I'm about as keen as mayo, all I've done is plagiarise 2,000 words.
by DennisCarbon August 26, 2011
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to be painful
that smack in the chops really came keen! I reckon if I karate chop his broken arm, it'll really come keen.
by charliej September 12, 2008
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