"To designate a driver" means to assign someone to be responsible for driving others, especially when they have been drinking alcohol, in order to ensure their safety and prevent drunk driving accidents.
Sentences with «to designate a driver»
As we head towards the season of work celebrations and holiday parties the prevalence of designated driver's is likely to rise. (murphybattista.com)
Be sure to designate a driver if you plan to taste at them all! (marriott.com)
And if you don't have designated driver before you going into labor, what happens if you can't find someone to drive you? (babygaga.com)