When you engage in sex with your partner while you ejaculate in her butthole she shits out the cum and poop. After you donkey punch her and blood mixes into the lot of cum and shit which makes a brownish red substance
i made a ConCocktion with my partner in a glass jar then got my friend to taste it
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi