the act of laying down, watching TV, relaxing in a position that simulates the downhill ice chute racing. Can be single, or dual. Total kick-back time.
Dude, I'm gonna luge. I'll hit ya later.
As a response to a question: "are you going out with us tonight?" "Nah, I'll catch up with you later. I'm gonna luge"
As a status message:
"(insert name here) is gonna assume the luge position"