That's sickening.
That's sickening.
That's sickening" refers to something that is extremely distasteful and unpleasant. It's typically used to express moral or physical disgust, such as in reaction to a story about injustice or to a particularly unpleasant smell. This phrase conveys a strong level of dissatisfaction and is powerful in expressing rejection of a situation or behavior.
He told a joke that was totally sickening; I couldn't laugh.
He told an extremely inappropriate joke that wasn't funny.
The way they treated her was sickening; no one should act like that.
The way they treated her was extremely inappropriate and wrong.
Watching the excessive waste at the event was quite sickening; we need better regulations.
Observing the excessive waste at the event was highly disturbing and pointed to a need for better regulations.