(動詞) 犧牲無辜的盟友或同事、拿他們當代罪羔羊或讓他們背黑鍋來使自己受惠。這個字是從同義的成語 "to throw (someone) under the bus" 衍生而來。
Guns & Ammo … instantly underbussed longtime columnist Dick Metcalfe for his pro-gun-control musings.
—Hognose, “TRIGGER: another pro-gun knockoff of the anti-gun gun magazine,” WeaponsMan, January 9, 2014
You can’t underbus key staffers during a campaign. Can you? May as well underbus yourself.
—Michael Den Tandt, “You can’t…,” Twitter, August 18, 2015