A high-energy throwback to the dirty joke movies of the 1970ââ'¬s, more than 70 classic dirty jokes have been brought to life in IS THIS A JOKE? These dirty jokes we all remember hearing and telling years ago have never been funnier as they come to life with a young and funny cast. Thereââ'¬s something for everyone! Sit back, relax and prepare to smile!—Anonymous imdb.com