1. The act of taking consecutive shits in the same toilet without flushing. This also occurs when onsecutive hot piles are dropped in any location other than a toilet, and it is most commonly found in an outhouse at a chili cook-off.
2. Also a nickname for a short stack of chocolate chip pancakes at IHOP.
The couple was disappointed that their poostack count lowered when they moved into an apartment with two bathrooms.
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.