huckster
noun [ C ] US often disapproving uk/ˈhʌk.stər/ us/ˈhʌk.stɚ/
（尤指电台或电视台的）广告撰写员，广告人;大声吆喝推销的人
a person who writes advertisements, especially for radio and television, or who sells things or brings ideas or people to the public's attention in a noisy, annoying way