v. To unfairly discredit, blame, or dispose of an ally or colleague, particularly for personal gain.
2015
You can't underbus key staffers during a campaign. Can you? May as well underbus yourself.
2014
Guns & Ammo … instantly underbussed longtime columnist Dick Metcalfe for his pro-gun-control musings.
2012
Plausible deniability kicks in — and no doubt the eventual underbussing of a subaltern.
2008
It looks like Richard Warman has been underbussed by the Department of Justice as well as the CHRC.
2007 (earliest)
I can't wait to see Abu G squirm under serious (or, really, any) questioning. Just read a comment somewhere that theorized he may be thrown overboard/underbus as damage control.
Dees said he talked to Hood after he bonded out of the El Paso County Criminal Justice Center on Sept. 26, 1990, and warned him “that he was being thrown under the bus by Jennifer Reali.” But he said Hood believed Reali “was going to tell the truth.”