Rotten luck American informal slang
Used to refer to something extremely unlucky or unpleasant happens.
Dam it. I've got rotten luck today.
"She was hit by a car on the way to the job interview" - "Such rotten luck. Poor girl".
She always has rotten luck when we play the guessing game.
Indicates that something which initially seems bad but harmless can become much worse in the future or lead to a harmful development
Those pharmacies have put the price of face masks up. It'll be the thin end of the wedge, if others follow along.