thiccboi Share definition Flag A dirty mind,A living MEME, who will stop at nothing to find the newest meme. Some will say this individual is a meme dealer. "oh god, your friends with a a thiccboi?" thiccboi by Tribeking May 10, 2018 0 0 Get merch Get the thiccboi mug. Buy Now — $32.95 See more merch