"Extraneous stuff" refers to things that are unnecessary, irrelevant, or unrelated to a specific topic or situation. It describes things that are excessive or unwanted, often causing distractions or clutter. Full definition
Jordan Rushie pretty much totally copied me and wrote a post about how much it costs to start a law firm, but he added all sorts of extraneous stuff like should you start a law firm in the first place? (lawyerist.com)
When you open Instapaper, it downloads the text of web pages you have marked for reading later — without the ads, pictures, and other extraneous stuff — making it much easier to read long - form text. (quickreader.net)
So we interviewed a DCF [Department of Children and Families] officer, passing the script by her to make sure it was all accurate, but then in the final cut I cut it out and went with the more extraneous stuff: the kids dancing on the bed. (theseventhart.org)