Definitions by McChunk Nugget

cow milker 

when receiving a blowjob, the girl strokes the guys calves, because they are jacked as fuck. typically requires a girl to be on her knees, and the guy to be standing up. the act resembles milking a cow.

dude, my calves are so jacked that i turned my slampiece into a cow milker the other night

cow milker by McChunk Nugget June 11, 2012