Meaning of the word "after dinner comes the reckoning" in English

What does "after dinner comes the reckoning" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

after dinner comes the reckoning

US /ˈæf.tɚ ˈdɪn.ɚ kʌmz ðə ˈrek.ən.ɪŋ/
UK /ˈɑːf.tə ˈdɪn.ə kʌmz ðə ˈrek.ən.ɪŋ/
"after dinner comes the reckoning" picture

Idiom

you must eventually pay for or face the consequences of your pleasures or actions

Example:
He spent all his savings on a luxury car, but after dinner comes the reckoning when the bills started arriving.
They ignored the environmental warnings for years, but after dinner comes the reckoning.