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 barbiejeep.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.