Joenade Share definition Flag A granade thrown in a video game which instead of hitting the target, it hits a teammate and injures or kills them. Commonly used for halo 3. oh man who just joenaded me? That guy sucks. Joenade by Peritus Noob March 26, 2010 0 0 Get merch Get the Joenade mug. Buy Now — $32.95 See more merch