The PSNI is what the British "police" force in the north of Ireland changed their name to in an attempt to wash away the crimes they committed as the RUC (Royal Ulster Constabulary). Although most of the RUC still remain as the PSNI and it has been nothing more than a name change. FTPSNI is the way to say fuck them lol
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.