Trump 13 Share definition Flag Also known as “Friday 13.” The feeling most White House staff experience every day since 2016, because with Trump, every day is a Friday the 13th. Imagine the double whammy for those who work under President Trump: Covid-19 and Trump 13. Trump 13 by MathPlus November 12, 2020 0 0 Get merch Get the Trump 13 mug. Buy Now — $32.95 See more merch