The act of one pregnant partner of a lesbian 69 who manipulates her lactating breasts in such a fashion as to make them disgorge their milky load into the vagina and rectum of the second partner.
"So i was totallyscissoring with Sheila, then we switched to 69 and out of nowhere BOOM she gave me a righteous Milk Shocker" --Homework Chan
The feeling any right wingextremistpublic figure experiences when going outside of their habitat. It is the fear of being hit by a milkshake (a BK one in Scottland) as a form of public protest against their beliefs or actions.
A: "Hey, Sargon of Akkad has another public speech today in Swindon"
B:"WOW, he's still going? I thought he'd be too milkshook to even leave his house by now"