bigboibryn Share definition Flag The coolest guy in school. He is really short, but he got all the girls. Don’t mess with him or he’ll beat your ass up. He is so cute, just like a bigboibryn. bigboibryn by Playboi Francis November 4, 2018 0 0 Get merch Get the bigboibryn mug. Buy Now — $32.95 See more merch