A way of emphasising one's keenness to partake in an activity- often surfing, drinking or fighting.

Often shortened to mad dog.
Mad dog keen is a phrase made popular by the cult underground movie "Jordanman 2.0"
Dr Pain: "Wait...lets make this interesting. keen?"
Jordanman: "Yeah....Mad dog!"

Mayonazi: "Wanna get crunk as?"
Everyone: "fuck yeah, mad dog keen!"
by white-trash-doris May 30, 2008
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A person that is really keen for something
(Guy 1) dude are you keen for a drive tonight?
(Guy 2) yea dude I'm keen butter bean.
by Keenbutterbean October 2, 2016
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a state of super excitement about an event or activity. An advance on the phrase keen bean as the thought of bees on toast makes it more extreme and dangerous.
Example 1:
Boy: Want to go out drinking?
Girl: I am keen as bees on toast to have a night out drinking.

Example 2:
"Michelle is keen as bees on toast for some gherkins"
by KeenBee March 28, 2010
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An expression used by one of your desperate male friends to describe a girl who didn't tell him to get lost within the first minute of conversation.

As their dry patch goes on, this word increases at a rate of about 4 uses per day i.e. 250 days without sex, and they'll be using this word approx. 1000 times every 24 hours.
Guy : Hi, my name is Guy.
Girl : Cool.
Guy : Do you like stuff?
Girl : Sure
Guy : ...
Girl : I'd better go

*the next morning*

Friend : How'd it go with that girl?
Guy: Man, she's keen!
by CommanderKeenAsMustard February 21, 2010
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Is a term that when used gestures a definite 'keen-ness' to do whatever is suggested. Widley recognised as the phrase used to suggest an ultimate and concluding agreeance to do whatever is suggested.
Keen for a hasticle?' 'Dutch Rudder Keen mate
by Chip Hazard November 7, 2010
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when a guy named Jack Keen Off wants to suck off Ninja then go to ackermans with LazarBeam. He also wants to be a pro fortnite player which is why he grinds the game everyday while watching fresh.
"My POV, Muselks POV" and "Cheese on Rice" Jack Keen Off
by archer sucks March 22, 2021
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a town with a college problem. stuck in the middle of the white mountains, not much to do except drink and walk in the snow. town has a thing for pumpkins.
oh you go to Keene State College? What was the University of Phoenix filled up?
by The RUX! November 19, 2013
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