Meaning of the word "a fat kitchen makes a lean will" in English

What does "a fat kitchen makes a lean will" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a fat kitchen makes a lean will

US /ə fæt ˈkɪtʃ.ən meɪks ə liːn wɪl/
UK /ə fæt ˈkɪtʃ.ən meɪks ə liːn wɪl/
"a fat kitchen makes a lean will" picture

Idiom

spending too much money on food and luxury leads to poverty and a small inheritance

Example:
They dine out every night, but they should remember that a fat kitchen makes a lean will.
He spent his fortune on banquets, proving that a fat kitchen makes a lean will.