Averbate Share definition Flag To masturbate and shit oneself in the process. Projectile semen is also a result. Dr Avery Averbated all over the biology textbooks. I have to shit--time to averbate. Averbate by Afterthought Theory November 28, 2003 0 0 Get merch Get the Averbate mug. Buy Now — $32.95 See more merch