To leave somewhere immediately, to evacuate or scram.
"Get the hell out of Dodge" is a reference to Dodge City, Kansas, which was a favorite location for westerns in the early to mid 20th century. Most memorably, the phrase was made famous by the TV show "Gunsmoke," in which villians were often commanded to "get the hell out of Dodge." The phrase took on its current meaning in the 1960s and 70s when teenagers began to use it in its current form.
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.