Columbus Buckeye Share definition Flag The act of having vaginal intercourse with a man who has just finished performing anal sex. Caught up in the moment, Bob decided to try doing a Columbus Buckeye with the girl. Columbus Buckeye by r2d2atemyhomework August 20, 2006 0 0 Get merch Get the Columbus Buckeye mug. Buy Now — $32.95 See more merch