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a snowboarding term many young shredders use that refers to the consuming of generous amounts of cannabis while practicing your snowboarding skills.
Training at high altitude:
A)
You: "How can the competitors in the Winter Olympics "Train at High Altitude" if they get drug tested?"

Johnny: "That's a good question, you see they......."
B
You: "Hey Johnny, i got some bangin bud wanna set up a snowboard park in the yard and go train at high altitude"

Johnny: "How could I say no"

B) Shaun white may have been "Train at High Altitude" during the Red Bull Project X, to train for competitions of course. (link below)
FIRST LOOK: Shaun White's private pipe - Red Bull Project X
by ChillenCT9 December 01, 2009
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