throw him under the bus
v. phr.— «Dorsey has the audacity to finish his career 38-2 instead of 39-1 and you guys are ready to throw him under the bus.» —“Laying down the law” by Stewart Mandel Sports Illustrated Apr. 21, 2003. (source: Double-Tongued Dictionary)
Further reading
A listener named Tami contacted the show by WhatsApp to say that whenever someone would be talking about a subject that nobody else knew anything about, her father-in-law would respond with I had one of those, but the wheels came off. This is part...
Jim in Columbia, South Carolina, has noticed sportscasters’ use of the phrase on the season with reference to a period of time. This construction shows up in the sports pages as early as the 1880s, first referring to a team’s revenue and...