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Region: US | Usage example: He threw her under the bus when the project failed.

Throw you under the bus

Meaning

Blame or sacrifice someone else to save oneself.

Usage

Used when someone betrays a colleague to avoid blame.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Modern American metaphor about sacrificing someone to avoid negative consequences.

Gained traction in the 1980s corporate press.