total eclipse of the heart
Definition
The title of a iconic 1983 power ballad by Welsh singer Bonnie Tyler, famous for its soaring vocals, dramatic synths, and themes of obsessive, all-consuming love.
Idiomatically, a complete emotional blackout caused by heartbreak, where one's affections are utterly overshadowed, much like the moon blocking the sun—turn around, every now and then I fall apart.
Examples
After his crypto portfolio tanked, Dave entered a total eclipse of the heart, serenading his Bitcoin charts with Bonnie Tyler.
She swore off dating apps forever following her latest ghosting—total eclipse of the heart, bright eyes burning like fire.
When the pizza delivery was 45 minutes late, it triggered my total eclipse of the heart; I had to microwave leftovers instead.
His fantasy football team imploded in week 10, leaving him in a total eclipse of the heart, drafting karaoke nights as revenge.