Saying,
If a person keeps asking what words mean, and it's annoying you, telling them to go eat a dictionary is a good way of getting them to shut-up. If they don't know what easy words mean, they'll probably be dumb enough to actually try eating the dictionary.
Annoying kid: "What's (insert word) mean?"
You: "You don't know what (word) means!?! Go eat a dictionary!"
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.