thicc Share definition Flag thicc means when a body part is fat. people want to be thicc. everybody: *watches infifnity war* movie: *ends* a girl talking to her friend: MmMMm. M'Baku THICC thicc by oab ヅ August 17, 2018 0 0 Get merch Get the thicc mug. Buy Now — $32.95 See more merch