He was filled with 'the milk of human kindness'. [=he was filled with kindness; he was very kind]
They 'milked' [='exploited'] their advantage for all it was worth.
greedy landlords 'milking' their tenants of all their money
(..) - Yeah. - Yeah. I take two steps closer to... Angry Noble! And where does Angry Noble go? His milk truck! Very funny. His milk truck. Awesome! And his milk truck is parked at E. How do I know that is E? A, B, C, D, E. (..)2014 The Dark Horse
(..) All right, everyone, sit down, please. take you to... - Murray, Murray! Boys, I told you, sit down. Okay, so, you fellas who haven't had a meal, there's some milk up there for you. And we've got a new member today. Genesis Potini. Or, he was once called, The Dark Horse. - Dark Pony! (..)2014 The Dark Horse