Spill your guts

Meaning

Confess everything.

Usage

Often used when someone is coaxed into revealing secrets.

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.

Graphic metaphor of emptying one's entrails.

20th-century colloquial speech.