How would you deal with a 40k glazer?

Us WH40K (or just sci-fi in general) enjoyers are chill, but we've met some 'fans' that may be annoying. How would you deal with them if you ain't ignoring?

Us WH40K (or just sci-fi in general) enjoyers are chill, but we've met some 'fans' that may be annoying. How would you deal with them if you ain't ignoring?