Sunday driverˌSunday ˈdriver noun 
an insulting word for someone who annoys other drivers by driving very slowly and carefully, as if he or she only drives on Sundays on pleasure trips: 
Sorry I’m late – I got stuck behind a Sunday driver!
an insulting word for someone who annoys other drivers by driving very slowly and carefully, as if he or she only drives on Sundays on pleasure trips: Sorry I’m late – I got stuck behind a Sunday driver!