the chance, etc. 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!
See also: lifetime, of
Farlex Dictionary of Idioms.

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!
See also: lifetime, of
Farlex Partner Idioms Dictionary
See also:
  • of a lifetime
  • a good trip
  • good trip
  • be out of this world
  • put the dampener on (something)
  • put the damper on (something)
  • throw a wet blanket over (something)
  • throw a wet blanket over something
  • are we having fun yet
  • Are we having fun yet?