So serious, it's scary. Usually used as an exclamation of shock and disbelief as to the truth/reality of a particular story. Can be used effectively for sarcasm.
"Cindy was at the hair dresser changing her hair from blonde to brown, but the guy knocked red dye into the basin, now she is ginger!" "SCARIOUSLY?"
The reality of this situation is so scary and serious, it's 'Scarious'.
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.