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Someone out of a group of stoners who is the most stoned at the time of smoking.
Tom - yo dude , bens really stoned

Mathews - yeah I know he's a lean machine !
by Snow36 November 11, 2013
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Someone who eats a lot of veggies, has a toned bod, very little body fat, and can hike anywhere at any time.

Will surprise almost everyone with their body strength. Usually tanned. Would definitely be the type who goes to cross fit/soul cycle classes.
Have you seen Harry's summer body?
Oh my gosh he's a LEAN MACHINE
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