Simultaneously having vaginal and anal sexual intercourse with a woman who is menstruating. The anal blood can be either from vaginal transfer or rectal bleeding.
Dude, you should see my sheets. The chick I picked up last night turned into a double blood bang!
The product of taking a dump so big, that when you wipe, you realize you tore your anus. Usually occurring when you haven't had a movement in a few days. Generally causing more damage.
The most lethal injection any man could ever get, you will lose all access to technology and become a brain eating monkey. You will crave flesh and mid ass white women. No cure has been found.