Here is a story from Ibn Ishaq's "Sirat Rasul Allah" (the earliest of Mohammed's biographies). It is about a female poet called Asma bint Marwan who frequently made fun of the Prophet of Islam. One day she went a little too far:
Eventhough the "Sirat Rasul Allah" is one of the oldest Islamic books the story is disputed by a few english-speaking Islamic scholars. They argue that one of the sources cited by the author (for reasons beyond my understanding) is unreliable. Others accept the book as historic fact.