2. A mutation in which the Vas deferens are routed to the rectum, resulting in ejaculation out of ones asshole.
2. "I just blew a load of cum out of my ass", says guy 1
Guy 2 retorts,"That, my friend, is what we call ass cum."
Guy 3,"mine usually comes from my dick."
Guy 1 states,"My semen always came out of my ass."