Lactoemangulate Share definition Flag To open a milk carton from the wrong side. Dude! There was something sticky on the "open" side of my milk carton so I had to lactoemangulate....... Lactoemangulate by LtotheWtotheSSSSSSSSSSSS July 24, 2011 0 0 Get merch Get the Lactoemangulate mug. Buy Now — $32.95 See more merch