A form of Sexual Asphyxiation you go down on your partner (Head) while they stand in the shower and water runs along his or her penis and water (Boarding) you while you pleasure him or her.
"You pair are always at it! I didn't mean to walk in on you head boarding her last night"
"I heard you and your boyfriend in the shower last night."...." Yeah, I totally head boarded him, but he loved it".
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
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.