1. a subtle or elaborate argument or point of debate, usually on a theological or scholastic subject.
2. Music. a humorous composition consisting of two or more independent and harmonically complementary melodies, usually quotations of well-known tunes, played or sung together, usually to different texts, in a polyphonic arrangement.
Origin: 1350-1400; Middle English < Medieval Latin quodlibetum; compare Latin quod libet what pleases, as you please
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.