Boi Share definition Flag When some idiot gets mad and points their hand towards them. If this happens to you run for your life. Bob, where is my shampoo?In the house. (Says boi with hand motion)Oh shet gotta run fast Boi by Big ass boi November 22, 2018 0 0 Get merch Get the Boi mug. Buy Now — $32.95 See more merch