A fork of Rural Dictionary
The act of squeezing the tits of the girl you're taking from behind - she's on all fours. See also milking the brown cow if you're doing the girl via the poop-shoot.
I was milking the cow when she asked me to switch from the playground to the garbage dump.
Reaching around and squeezing the tits of the girl as she's on all-fours and you're deeply in her balloon knot
Man, I think I threw my back out while milking the brown cow last night.