cucked Share definition Flag Synonymous with "cuckolded." One whose wife has had sexual relations with another man (in modern use, often with the husband's approval) has been cucked. When his wife took her lover in front of him, he knew he had been cucked. cucked by John Todd June 30, 2006 0 0 Get merch Get the cucked mug. Buy Now — $32.95 See more merch