nurse (one's) drink(redirected from nurse their drink)
nurse (one's) drink
To consume one's beverage, especially alcohol, rather slowly, either as a means of conserving it or to avoid getting drunk. I spent too much money and got drunk too often when I would go to bars in college, so I've learned to nurse my drinks when I go out nowadays.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.