When people such as politicians or performers barnstorm, they travel around the country making speeches or giving shows. He barnstormed across the nation, rallying the people to the cause The president travels thousands of miles as he barnstorms the country. his barnstorming campaign for the governorship of Louisiana. to travel from place to place making short stops to give political speeches, theatre performances, or aircraft flying shows (barn + storm ; from the performance of traveling actors in barns)