keffered Share definition Flag The art of grabbing a ram sheep by the horns and the scrotum with both hands, and tossing like a sack of potatoes. You'd better watch out son, you're about to get keffered. keffered by alsonotherbert April 6, 2017 0 0 Get merch Get the keffered mug. Buy Now — $32.95 See more merch