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
(..) I don't drink tea. - Coffee? - No thanks, I'm good. Well, it was worth a try. Hi. - Do you have milk? - What? I wouldn't say no to a glass of milk, if you have some. Where do you work? - Ground service. (..)2015 Virgin Mountain
(..) the houses. It's great, isn't it? Hera dear, you mustn't go about losing your keys like that. Don't worry, we just had some cake and milk - and hung out. - Milk? Did you have milk? Yes. But you know you're allergic. Why did you have milk (..)2015 Virgin Mountain