Well-fed Share definition Flag Britney Spears nickname post-baby. A name given to Britney Spears to make fun of her weight and her husband's nickname K-Fed. Taking after her husband, K-Fed, Britney Spears will now be called Well-Fed. Well-fed by Mandy Cooper July 5, 2006 0 0 Get merch Get the Well-fed mug. Buy Now — $32.95 See more merch