Milking the Goat 

When two guys are showing the goat to a girl and the girl jacks them off at the same time as if you were milking a goat

Jack: Dude, I know this sorority girl that is willing to do the move, milking the goat
Bill: I don't know man, she is pretty dirty.... but i'm always down for getting milked
Jack: ok she is gonna come in the door now so get ready!

Milking the Goat by Marsupial Watson October 1, 2010

milking the goat 

to leave the room, masturbate onto your hand, and then return, giving someone a high-five or shaking their hand.

Eww he totally just milked the goat on me.

milking the goat by salmon April 19, 2004