I, for one, am glad they’re consulting voice analysis experts. I also heard the “oon” sound. It could have been goons or loons or the ‘c’ word. But it wasn’t “jerks”, as I’ve been told over and over again by posters on this site.
I think he said goons and it certainly fits.
http://www.merriam-webster.com/thesaurus/goon
http://www.merriam-webster.com/dictionary/goon