Hentai Humper Share definition Flag Someone who loves anime that they masturbate to anime and dream of gay anime butt sex Bob: I want to go and have steamy buttsex with Hatsune Miku John: Don't be such a Hentai Humper Hentai Humper by Fuk yo shi November 24, 2015 0 0 Get merch Get the Hentai Humper mug. Buy Now — $32.95 See more merch