of a lifetime
of a lifetime
Used to describe something extremely exceptional, important, or enjoyable that isn't likely to occur again. They offered me the chance of a lifetime to travel the world and write about my experiences abroad. That tour around Europe really was the trip of a lifetime!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
of a lifetime
(of a chance or experience) such as does not occur more than once in a person's life; exceptional.Farlex Partner Idioms Dictionary © Farlex 2017
the chance, etc. of a ˈlifetime
a wonderful opportunity, etc. that you are not likely to get again: This is your chance to win the trip of a lifetime!Farlex Partner Idioms Dictionary © Farlex 2017