THICCCCC Share definition Flag THICCCCC-it means when you have something really fat but in a good way. Kevin-DANGGG Karen your looking THICCCCC in the booty today. Karen-Oh thank you Kevin. THICCCCC by I'm a Chicken November 2, 2019 0 0 Get merch Get the THICCCCC mug. Buy Now — $32.95 See more merch