take-no-prisoners

[ teyk-noh-priz-uh-nerz, ‐priz-nerz ]

/ ˈteɪkˌnoʊˈprɪz ə nərz, ‐ˈprɪz nərz /

wholeheartedly aggressive; zealous; gung-ho: a businessman with a take-no-prisoners attitude toward dealmaking.

Origin of take-no-prisoners

First recorded in 1990–95

The sixth-season premiere of the rowdy, take-no-prisoners sitcom opens with a bang—literally.

The MVPs of Sleaze Are Back: FXX's 'The League' Ups the Degenerate Ante |Emily Shire |September 4, 2014 |DAILY BEAST
Three-time champ Tony Stewart is reviled—and beloved—for his take-no-prisoners, borderline-unhinged attitude.

Homicide or Accident in Tony Stewart’s NASCAR Scandal? |Robert Silverman |August 11, 2014 |DAILY BEAST
Since the take-no-prisoners crackdown has begun, the street feels like a set from The Day After.

My Life Behind Kiev’s Barricades |Vijai Maheshwari |February 21, 2014 |DAILY BEAST
And Ford delivers another impressive performance as the hard-ass, take-no-prisoners colonel; like a hardened, grizzled Han Solo.

Harrison Ford Discusses ‘Ender’s Game,’ Drone Warfare, Vietnam, and Playing A Badass President |Marlow Stern |October 28, 2013 |DAILY BEAST

Generations of correspondents and producers were influenced by his take-no-prisoners approach.

Howard Kurtz Remembers Mike Wallace, Legendary CBS Newsman, Dead at 93 |Howard Kurtz |April 8, 2012 |DAILY BEAST