dirty pool

noun

, Informal.

1. unethical, unfair, or unsportsmanlike conduct.

Example Sentences

If there’s a through line for how “Shogun” depicts violence, it’s that it’s almost always dirty pool.

From New York Times

Instead, she just takes it as a given that it's dirty pool if someone helps people of color overcome voter suppression tactics to successfully cast their ballots.

From Salon

He then plays some dirty pool by showing a headline from The New York Times about the buyer of the painting, cropping out the byline of the correspondent David D. Kirkpatrick.

From New York Times

But even though Trump should have made his own disclosure four years ago, it still feels like dirty pool that someone’s personal financial information can be leaked this way.

From Fox News

“I honor women too highly to allow them to descend into the dirty pool of politics,” one anti politician said.

From Literature