Cake slut Share definition Flag NounA post-pubescent female that indulges in more than one dessert at the same sitting. That skanky cake slut, Wilma, ate the last two pieces of birthday cake at work today. Cake slut by Señor Bob Chipes November 6, 2013 0 0 Get merch Get the Cake slut mug. Buy Now — $32.95 See more merch