Sparrow's lyrics are famous for being witty, ironic, and ribald. Puppeteers responded by setting up stages outside cathedrals and became even more ribald and slapstick. It is striking that through all his ironic discourse, Ovid never becomes ribald or obscene. More elaborate cards featured caricatures, cartoons, slogans and jokes, sometimes of a ribald nature. The riddles in this book vary in subject matter from ribald innuendo to theological sophistication. During this time Duchamp drew and sold cartoons which reflected his ribald humor. As burlesque comedy material became progressively more ribald, Skelton moved on. It was received however with much ribald laughter and antagonism. The Beatnuts are noted for being unabashedly, bullishly ribald and in-your-face performers. The ribald content leads Gloria to insult the other attendees. Kirkus refers to this addition to the series as "sometimes ribald, but always smartly done". These folk versions can be quite ribald. In private, students will typically sing ribald words. There are nude figures, some of corpses from battle, others of a ribald nature. Its leader, the "King of Ribald" ruled over the prostitution in Paris.