Not miss (something) for the world phrase spoken
Would definitely go to an event, see something etc.
"Will you attend the school's prom this year?" "I wouldn't miss it for the world."
I am a big fan of this actor. I won't miss his upcoming film for the world.
I can't miss any of his performances for the world.
The origin of this phrase is not clear.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!