Usually said to reiterate the importance of drinking. Just saying "drink" once doesn't convey the sense importance surrounding our drinking culture. Said twice, with some gusto,a party shall evolve, like magic.

Can be compounded by saying "drink" as many times until it sounds something like Drinkdrinkdrkkddir

Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.

When asked if you want a beverage at a social gathering, you ask if they are offering you a drink or a "Drink Drink". A "Drink Drink" contains alcohol.