Joe Biden calls shop manager a 'smarta**' after being asked to lower taxes US Vice President Joe Biden called the manager of a frozen custard shop outside of Milwaukee, Wisconsin a "smarta**" after the man asked him to lower taxes. FOXNews.com said Mr Biden made the comment on Friday after the Kopp's Frozen Custard shop manager told him that his dessert would be on the house if he lowered taxes. What do we owe you? Mr Biden is heard saying in footage captured by WISN-TV. "Don't worry, it's on us," the manager replied. Lower our taxes and we'll call it (the custard) even. "Why don't you say something nice instead of being a smartass all the time," Mr Biden said a few minutes later. Mr Biden had walked in to Mr Kopp's mistakenly asking for ice cream instead of custard. The manager said later in an interview with WISN that he thought Mr Biden did not seem happy initially about the taxes comment, but that the vice president later whispered that he was just kidding. Read more at FOXNews.com