To be so angry that your outward appearance takes on a constipated look.
Usually occurs at work following some ridiculously stupid decision made by a complete retard (or an entire team of retards). You will tend to be caught sitting at your desk with a far away thoughtful look but you're completely red-faced as if trying to push a stubborn turd out of your ass.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."