Supporters of Elizabeth Warren were treated to a little blue language yesterday, courtesy of an anonymous staffer.

Warren was rallying with 2020 race dropout Julian Castro in Brooklyn when the female emcee told the crowd, “Ladies and gentlemen, please join me in welcoming Sec. Julian Castro!”

As the crowd cheered, the woman continued talking into the mic and could be heard saying, “Where’s the f*cking…” before it switches off.