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
Imagine telling someone how to get to your home, but without using the name of your street, or any other street within ten miles. Could you do it? We take street names for granted, but these words are useful for far more, like applying for a job or...
A Francophone who’s feeling low might say so with J’ai le moral dans les chaussettes. The idiom avoir le moral dans les chaussettes means “to have morale in your socks.” 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.