call someone's bluff
Expose someone's deception, invite a showdown, as in I don't believe they have enough capital; I'm going to call their bluff. This term comes from poker, where bluffing (pretending) that one has better cards than one's opponents is an intrinsic part of the game, and calling someone's bluff means forcing them to show their cards. By the late 1800s it was being applied to other enterprises. Also see show one's hand.
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And yes, someone has already called Spencer a “Small Fry,” har har.Freaking Out About Age Gaps in Gay Relationships Is Homophobic|Samantha Allen|January 9, 2015|DAILY BEAST
For someone with anorexia, self-starvation makes them feel better.
“Someone is determined to keep Bill Cosby off TV,” she continued.
Binge eating and purging does the same for someone with bulimia.
But if you have a hearing and you prove that someone is mature enough, well then that state interest evaporates.
Everything is topsy-turvy in Europe according to our moral ideas, and they don't have what we call "men" over here.
Ollie saw someone standing before it, bending slightly forward in the pose of expectation.The Bondboy|George W. (George Washington) Ogden
It was like his beautiful courtesy to call me in and introduce me to Blow instead of letting me go away.
After an hour, however, he reached this decision: He would not go to or call up Mrs. Merley.The Homesteader|Oscar Micheaux
"I call you," the policeman said, and stripping the saddle and bridle from his sweaty horse, turned him loose to graze.Raw Gold|Bertrand W. Sinclair