Biden trumper Share definition Flag 1. Chuammper, or Pogmentship. 2. A person bad enough to protest Biden by trumping him. 1. He watched Biden trumper on CNN yesterday night. 2. That Trump fan dares to protest Biden?! Biden trumper by PenguinedPsyduck0xq0 January 22, 2021 0 0 Get merch Get the Biden trumper mug. Buy Now — $32.95 See more merch