Can't Stump The Trump! - "Can't Stump The Trump" is the orginal Donald J. Trump slogan used before MAGA was originated. "Can't Stump the Trump" is a slogan often used by supporters of the 2016 Republican presidential primary candidate Donald Trump, indicating that he is incapable of being flustered or defeated by critics. MAGA followed in the great success of "Can't Stump The Trump", Making MAGA what it is today.