Popular term in St. Mary's County, MD, especially at the college. Named because of the 3 "events" involved, thus making it a triatholon. A team of two people has to drink 30 beers, smoke 1/8 of marijuana, and eat a large pizza in 12 hours. Similar concept to a case race, except more substances involved.
"We were going to do a whole Ironman the Saturday of World Carnival, but we messed up by leaving the beer for last."