Bullarcky is a word of more intensity as it gets right to the root of the actual definition.
"Your poor excuse for not calling me back last night is a bunch of malarcky!"
vs.
"Your poor excuse for not calling me back last night when my friend saw you at the club is a bunch of bullarcky!"
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.