For a pattern of ignoring moderator instructions, interspersed with occasionally telling a moderator to fuck off. Plus one personal insult against a non-mod:
http://boards.straightdope.com/sdmb/showthread.php?p=17371179#post17371179
http://boards.straightdope.com/sdmb/showthread.php?p=17334851#post17334851\
http://boards.straightdope.com/sdmb/showthread.php?p=17334256#post17334256
http://boards.straightdope.com/sdmb/showthread.php?p=16611264#post16611264
http://boards.straightdope.com/sdmb/showthread.php?p=15731806#post15731806