The phrase "a dirty thing" is correct and usable in written English.
It can be used to describe something that is unclean, morally questionable, or inappropriate in nature.
Example: "He found a dirty thing in the alley that he couldn't believe someone would leave behind."
Alternatives: "an unclean object" or "a filthy item".
"Commercial, for me, is a dirty thing.
"I think it was a dirty thing he did to Hank.
"We show openly this, that sexual activity is not a dirty thing, but part of life," he said.
Mix a dirty thing with a clean one and their "essences" combine to make the whole item taboo.
"People say in front of my face, 'You make money,' as if it's a dirty thing," Mrs. Stewart said.
'People used to think having a baby was a dirty thing,' says Surekha, from Maharashtra State, western India.
With a sly wit harnessed to impeccable technique, Burra inverted convention and made the conversation a downright dirty thing.
It is said that he wanted to destroy the Decameron — that he thought it was a frivolous and dirty thing.
Unless it's a reference to that dirty thing King Triton did with those twin dolphins one time in college.
is terrific with "25 Bold Ideas," a looking at what hotshot scientists and engineers say are quick fixes or longer-term ideasurprisel with some of these challenges: turning trash into power; fix crumbling pipes with sinuous robots; using unused highways (mostly medians) to support elevated roadways to ease road congestion; breeding super rice to feed the world, including flood-tolerant rice already developed by one California genetic engineer; building homes not needing furaces; creating a "Lilliputian robot doctor," or combing diagnostic imaging with very targeted drug delivery while precisely navigating a patient's digestive track. .
She turned it into a dirty public thing".
