Call your bluff

Meaning

Challenge someone who is suspected of lying or exaggerating.

Usage

Used when demanding proof before accepting a bold statement.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

From poker when an opponent is suspected of bluffing.

Became common in early 20th-century gambling circles and beyond.