A/one sick puppy phrase
Someone whose behaviors and thoughts are unacceptable, cruel, or revolting.
John enjoys talking about excremental matters and anal sex. He's one sick puppy.
Don't go out with John. He is a sick puppy, who finds a perverse pleasure in upsetting others.
This phrase originated in America in the early 20th century.
Be very nearly or inevitably lost, departed or deceased
He is in terminal cancer so I’m afraid he is as good as gone.