The innate ability to accurately locate and urinate in a toilet while in near or complete darkness. Similar to a bat's sonar. Applicable only to men (and technically, women who can pee while standing up).
"Man I had to piss like a racehorse at 3 this morning, but I couldn't find the light switch. Luckily my peedar was working well last night."
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.