Sunday the day of worship not of god but of the majestic combusiton engine hoon on a b road attend a sunday service or just mess about with your shed another definition from pistonheadsmug design reads sunday noun singular snde day of worship pilgrims flock to worship the god of tarmac on b roads sunday services welcome eager the congregations rubber is sacrificed and petrol burned hail the combustion engineour ceramic mugs are all white barring the printed design and are a stan