Onan the Barbarian Share definition Flag Someone who jerks off a lot. Where were you?Rubbing one out.Again? I'm so horny, I'm Onan the Barbarian right now! Onan the Barbarian by Shuaman October 20, 2020 0 0 Get merch Get the Onan the Barbarian mug. Buy Now — $32.95 See more merch