Typically meaning; "stay in your lane" or "don't worry about it". Used when someone's asking things they don't need to know about or getting in your business for no reason.
Erica: Can you finish telling us the details of what Sam was whispering about?
Dani: Drink ya juice, hun.
Erica: Mk..
When ordering a drink at a bar or from a waiter/waitress and you are shamed for your order because it doesn't fit the social norm.
"I would like to order a fruitybeer please"...."isn't that what a sorority girl would order?"
"Hey man! Why are you Drink Shaming me? I happen to like a cold Ruby!"