1. The act of lifting one's shirt, grabbing their breasts, and shaking them around while shouting "MILK DANCE!"
2. The act of grabbing someone else by the breasts, shaking them around and yelling "MILK DANCE!"
My brother always milk dances me at the movies. It's so embarrassing.
Oscar : Hey dude whats up?
Edgar : Nothing much, dude its 2am...
Oscar : Yea i know! Anyway, you wanna go get a milk dance?
Edgar : Your pathetic.