1º_ Feminine of painful ("that produces pain") . 2º_ Name that is popularly given to Our Lady of Sorrows (La Dolorosa, Virgen Dolorosa, Mater Dolorosa). 3º_ As mentioned by the colleague Cayetano Peláez del Rosal "the painful one" is an ironic way of referring to the ticket or invoice with the total value of a consumption, especially the one that is requested at the end of a meal. It's because it "hurts the pocket."
