A colloquialism prominent in NZ stoner culture that implies the speaker intends to pursue a goal but in actuality is just going to loaf around with their thumb up their ass and probably smoke pot.
Kiwi Keen:

Kiwi1: "Bro we should like start a band!"
Kiwi2: "KEEN AS BRO!"

Kiwi1: "You'd be fuckin' keen to... (generally a stupid idea follows)"
Kiwi2: "Hard bro!"
by OutrageouslyFortunate June 28, 2011
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