When you bite into a lactating woman's titties in order to drink both blood and milk.
"oh man, my mom brought home a real dirtbag last night. He bloodmilked her and now the baby is starving."
by Windusblack November 16, 2015
The substance consisting of blood and milk that is released when a nipple piercing is torn off.
"So last night I accidently tore off Rob's nipple piercing and there was blood milk everywhere. That is what he gets for getting those pierced."
by Mo&Al July 12, 2007