" Bucket list "
A list of things you plan to do before you 'kick the bucket' (die). Often a list of fanciful ideas rather than of concrete plans.
I've always wanted to go to Japan. I guess I'll add that to my bucket list.
Where did it originate?:
late 20th century - popularized by the title of the film The Bucket List (2007).
Where is it used?:
Hear the idiom spoken: