"It's been a slice" is a farewell statement that comes from the saying "a slice of heaven." You can use the phrase to tell someone in a playful way that you have enjoyed spending time with them. Also, when ordering pizza, you can also say, "I'll have a slice of heaven please (instead of a slice of pizza)." You will seem much cooler that way.
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.