Yeet Boi Share definition Flag A yeet boi is someone who is annoying. The name comes from the fact that you want to yeet yourself out a window. "There are two yeet bois over there!" Yeet Boi by AtomLizard October 24, 2017 0 0 Get merch Get the Yeet Boi mug. Buy Now — $32.95 See more merch