root@sentry:~# userdel susan

Well, it's done. Today my divorce was finalized.

 obsid@sentry:~$ su -
 Password:
 root@sentry:~# userdel susan
 root@sentry:~#
 root@sentry:~#
 root@sentry:~# :-(
 -su: syntax error near unexpected token `newline'

Reference: http://xkcd.com/215/