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
(..) How can you not be wearing any? I'm getting heat from the guy in the hot pink thong. Look, Ross. I'll give you $ for your underpants. - Can I have the milk? - I'm almost done with it. Keep your panties on. And I'm in the movie! - What happened? - A virus victim called in sick... (..)1996 TvShow: Friends Title: The One After the Superbowl: Part 1 Season: 2 Episode 12