What is the X in X-mas?
1590s (first recorded use in English is in Ben Jonson), from or in imitation of Latin parodia "parody," from Greek paroidia "burlesque song or poem," from para- "beside, parallel to" (see para- (1), in this case, "mock-") + oide "song, ode" (see ode). The meaning "poor or feeble imitation" is from 1830. Related: Parodic; parodical.
c.1745, from parody (n.). Related: Parodied; parodying.
In art, music, or literature, a satire that mimics the style of its object.