You know what it looks like… but what is it called?
TAKE THE QUIZ“the fat”
The following 2 entries include the term the fat.
it ain't over until/till the fat lady sings
idiom—used to say that the final result of something (such as a sports contest) has not yet been decided and could still change
live off/on the fat of the land
idiom: to live very well by enjoying the best things that are available without having to work hard to get those things
Love words? Need even more definitions?
Merriam-Webster unabridged