be on the warpath

be on the warpath

slang To be overtly angry and/or looking for retribution. The phrase is potentially offensive, as it references a Native American war practice. I'd avoid the boss if I were you—he's on the warpath and screaming at everyone he sees.
See also: on, warpath
References in periodicals archive ?
The Ethics Commission seems to be on the warpath against the lobbying industry and there doesn't seem to be a willingness to hear us out,'' Afriat said.