When one becomes so intoxicated with alcohol that they could not possibly get any more intoxicated without vomiting, or remaining conscious. This is when your internal alcoholtolerance "meter" maxes out, or hits the limiter, thus, "pinging the needle."
"Holy shit, last night I was so sloshed I almost ralphed out the window of the car on the way home, but I just ended up drooling on myself- definately pinging the needle!"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.