"it's Not Over Until the __ Sings"

This page is the CodyCross answer for the clue below from India, Group 1494, Puzzle 5 (Sikhs and Jains).

Question is: "it's Not Over Until the __ Sings"

and the answer is: FATLADY

Word Meaning:

FAT LADY — (dated, now offensive) A woman of unusually large body size formerly exhibited as a circus sideshow attraction.

Definitions from Wiktionary.

"It's not over until the __ sings" — CodyCross Answer | CodyCross Solutions