Portmanteau of "dumbfuck" and "Trump", describing uneducated working class people who, against their better interests, fervently support Donald Trump often out of mere spite for intellectuals and liberals. They refuse to listen to any argument about how electing a wealthy oligarch is bad for them as poor people and that Republican politicians have nothing but contempt for them and are actively trying to take away their health care. They will respond to such educated and logical arguments with cries of "Hillary's e-mails" and "Benghazi".

When you eat dirt for the first time and leave your family to build a shack in the woods