The words "parody mass" can be replaced with various synonyms depending on the context and tone of your message. One alternative could be "mock liturgy," which implies a humorous or satirical take on religious worship. Alternatively, "pastiche service" or "mimic mass" could also be used to convey a similar meaning. For a more subtle or nuanced phrase, "reenactment with a twist," or "lampooning of a religious ritual" could work well. Ultimately, the choice of synonym will depend on the desired effect and audience, but a vast array of options exist to convey the idea of a comically stylized or satirical religious ceremony.