When a person cares about someone or something in a very badass manner. To do something nice against all odds. To use one's cojones in a positive, helpful and caring manner.
She just had the worst day of her life, and she still found the time to wish me happy birthday - that's some carejones!
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.