Yogurt http://www.thesmokinggun.com/buster/new-mexico/pervert-sentenced-in-yogurt-semen-case-758903 awww man disgusting. Be careful what you eat ladies.
That stuff is gross. I remember there was some creep at some university a few years back who would put semen in Asian women's drinks and crap like that. And that pedo teacher out in California was apparently tricking kids into eating his sperm off of spoons and cookies. There are some strange people in the world.