Margaret Cho | Jen Brister | Sara Pascoe's Christmas AssemblyThere are lots of different ways that comedians use filth. Sometimes it's just about shock: thinking of the worst thing you can possibly say and challenging your audience to either laugh at it or walk out. Other times (as with a performer such as Katherine Ryan or Sarah Silverman) it's a way of creating a comic juxtaposition, getting bigger laughs from the …
