The phrase "a sick thing" is correct and usable in written English.
It can be used to describe something that is considered disturbing, unpleasant, or morally questionable.
Example: "The way he treated his friends was a sick thing to do."
Alternatives: "a twisted thing" or "a disturbing thing".
"It's definitely a sick thing".
"Who would do a sick thing like that?" An autopsy will be conducted today, the medical examiner's office said.
"If people say that because you have a certain choice of repertoire, this must be connected with your political view, this is a sick thing.
One club-goer said it was a "sick" thing to do, and when asked about the culprit's motivation said, "It could be anything, really.
Intimidation may make you feel better about yourself or just make you happy, but it's a sick thing to do.
The society we're living in right now, where people are pissed off with their lives... So, rather deal with their own lives, they get mad at somebody who has a life that maybe they want or they just deflect their own hatred on other people because it makes them feel better for a moment about themselves, which is a sick, demented thing to think anyway.
At this point they think it seems like a pretty sick thing to do, and despite a lack of technique, bookings, or an ability to coordinate themselves in any reasonable manner, they've already planned how they'll spend the first paycheck from their Phonox residency.
The real sick thing is that if a judge in Hennepin County had not issued an injunction late last year, the Twins might have been officially terminated by now.
The sick thing about prisons is that, to a point, incarcerated people are very good for the economy: prison jobs, legal fees, construction contracts, and political pork.
The sick thing is actually how many miles we fly a year.
"That was the sick thing about all of it.
