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A term used by the snowboarders of Los Alamos meaning act of getting ridiculously faded. Normally in the Jemez mountains of northern New Mexico
Brotha 1: Whats the matter man?
Brotha 2: I got fucked by the 5-0 last night.
Brotha 1: Damn, what for?
Brotha 2: Well I was so yamskied last night, I got a DUI on a barbie jeep.
by 420inthe505 March 04, 2009
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