haydt Share definition Flag A German last name, most men with this last name were found in the Nazi Party. Hitler regarded these men with respect, as they were most loyal an violent to the Jews. "I bet you believed this was real, but it was all made up by Jonathan Haydt" haydt by SpicyMeme May 14, 2016 0 0 Get merch Get the haydt mug. Buy Now — $32.95 See more merch