Reply to someone pointing out a dinky little detail that you didn't mention, but which is basically irrelevant, to demonstrate what a completely anal-retentive idiot you consider them to be. From the George W. Bush comment to Senator John Kerry in the 2004 American election debates.
You: "Of course, James Bond was played by Roger Moore, Sean Connery and Pierce Brosnan."
Anal-Retentive Idiot: "You forgot George Lazenby."
You: "Yeah, well, you forgot Poland."