sloganeer

slogan +‎ -eer, US origin (1922), popularized by Franklin D. Roosevelt.[1]

sloganeer (plural sloganeers)

1. (politics) Someone who makes and spreads slogans.
   • 2012 January 17, Aparajita De, Amrita Ghosh, Ujjwal Jana, Subaltern Vision, Cambridge Scholars Publishing, →ISBN, page 84:

     As a sloganeer too, he overspent his voice shouting slogans during demonstrations and he eventually lost it.

sloganeer (third-person singular simple present sloganeers, present participle sloganeering, simple past and past participle sloganeered)

1. (politics) To make and disseminate slogans; often contrasted with substantive debate.
   • 2007 February 20, Michiko Kakutani, “The Silence of the Rational Center”, in New York Times‎:

     At such times, the nuanced and expert advice of what they call the rational center — career professionals, scholars, analysts and others working in government and at universities and think tanks — is sidelined or ignored, while emotional sloganeering is amplified by 24/7 cable news and Internet chatter that prize raucous confrontations between fervent avatars of the right and the left.

• largenose