O2C Share definition Flag Abbreviation for "Open-to-close" or "open-till-closed" "I can't today, I'm working O2C""Did you see those bodybuilders at the buffet? They were there O2C" O2C by Monady September 24, 2020 0 0 Get merch Get the O2C mug. Buy Now — $32.95 See more merch
