Using the low and indecent language of the meaner sort of people, or such as only the license of buffoons can warrant; as, a scurrilous fellow
Scurrilous accusations or stories are untrue and unfair, and are likely to damage the reputation of the person that they relate to. Scurrilous and untrue stories were being invented. scurrilous remarks, articles etc contain damaging and untrue statements about someone (scurrilis, from scurra )