Bonerterial Share definition Flag A image, video, view or anything visual that can cause a male (or shemale) species to become erect giving them a huge boner Boy 1: "Natalie Portman is so beautiful!" Boy 2: "Bonerterial" Bonerterial by paleboyfinch May 14, 2013 0 0 Get merch Get the Bonerterial mug. Buy Now — $32.95 See more merch