Asylum for the Verbally Insane
"Wow! Can I?" Vash asked, eyeing the 'Wet T-Shirt Contest-- Judges Needed!' sign.
"Fat chance!" snorted Meryl.
"Slim chance!" said Wolfwood, pointing to the long queue of applicants.
Milly started to think. A fat chance equaled a slim chance? She pondered this condundrum until dinner.
She understood when desserts arrived. "I get it! It's a bell curve!" she exclaimed. "Slim and fat are extremes; there's a small likelihood of their occurrence in the general population! That's why a fat chance is the same as a slim chance!" Content with another mystery solved, Milly ate.
The others simply stared at her.
As a side note, the word 'ponder' is inextricably linked in my mind to 'Pinky and the Brain'.
Meryl: Are you pondering what I'm pondering, Milly?
Milly: I think so, Sempai, but wouldn't green suspenders hold a fireman's pants up, too?