Bidenite

plural Bidenites

1. USgovernmentA supporter of American politician and US president Joe Biden.

   The Bidenites say they will be more assertive with China than was the case during the Obama administration, especially on trade issues where they will seek to emulate Mr Trump’s attempts to negotiate a more equitable arrangement.

   2020 November 7, Con Coughlin, “The West's enemies will breathe a sigh of relief that Trump's leaving the White House”, in The Telegraph

   1 more example

   And Iowa's Democratic caucus-goers might not easily forgive his campaign for zapping Biden while Biden was leading the anti-Bork fight. Still, at a showdown with bitter Bidenites in Sioux City late Friday, Dukakis seemed to sway the crowd with his contrition.

   1987, Newsweek, volume 110, page 40