[Artful Writer](http://artfulwriter.com) has a great list of [shorthand jargon](http://artfulwriter.com/archives/2005/04/test_ms_html.html) from the Zucker-Abrahams-Zucker school of comedy. Even if you never end up using the terms, they provide a useful guide to the do’s and don’t-do’s of comedy writing.
While you’re reading up, check out John Roger’s [comedy glossary](http://kfmonkey.blogspot.com/2005/04/writing-jargon-preservation.html) at [Kung Fu Monkey](http://kfmonkey.blogspot.com/). (Link via [Artful Writer](http://artfulwriter.com))