Spitting in a pot to boil it would be a waste of time and energy and would likely never succeed, as well as being a frivolous and senseless activity which achieves no purpose in the first place, hence the term spitboiling.
"My mind is made up; you're just spitboiling trying to convince me."
"We haven't made any progress. We need to stop spitboiling and either change our approach or give up."
"Is there a reason you're doing that or are you spitboiling?"
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.