Oh here's a good way, but it requires you to break the law.
1. Break law.
2. Tell people you will plead guilty, including the witnesses, the judge, your lawyer. Everyone will be expecting to go in and out, and make plans to do fancy things and whatnot.
3. In court, plead not-guilty. This will upset their day, especially when one of the witnesses lives hundreds of miles away. This will interrupt all plans.
This was done to my sister and mother. They are very upset and thought the guy would plead guilty.