A pre-game shitual is in fact the "ritual" of relieving one's self of inner frustrations and nervous feelings before a sporting event, in order to have a quality performance without doing the butthole dance. Usually taken in the form of a massive and satisfying dump.
John: Hey James, you coming out to the kick around before tonight's big soccer game?
James: Nah man, I have to take my pre-game shitual so I'll play to my top potential...and I had taco bell today.
John: Ah yes, it's always good to avoid the butthole dance during gametime.
James: Indeed my friend, indeed.
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."