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 pistonheadskids t shirt 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 enginewe lovingly print all of our kids t shirts onto 100 cotton