two and barbecue other. in the phrase go two and barbecue, to be defeated in the first two games of a double-elimination tournament. (source: Double-Tongued Dictionary)
Further reading
Old. Elderly. Senior. Why are we so uncomfortable when we talk about reaching a certain point in life? An 82-year-old seeks a more positive term to describe how she feels about her age. And: a linguist helps solve a famous kidnapping case, using the...
Ashley from Berea, Kentucky, wonders about her father’s use of nords, apparently to mean “in other words.” This is part of a complete episode.
Related
Perhaps an extension of the single-elimination version one and done?
Many recipes for BBQ involve cooking the meat twice. For example steaming the meat first to tenderize it before further “flavor cooking” over a flame.
Perhaps that could have something to do with its origin.