Definitions by The Maiden's Fist

Milky River 

The act of sticking a pregnant woman's nipple into a male urethra and forcibly making her lactate at the same time that you receive a hand-job. All that comes out of the penis should then be directed down the woman's esophagus.

"Hey dude, did you just show her the milky river?"

Milky River by The Maiden's Fist April 21, 2010