[BBR-APBT]

Yeah in your robots.txt file put the following.

User-agent: *
Disallow: /cgi-bin/
Disallow: /forums/clientscript/
Disallow: /forums/cpstyles/
Disallow: /forums/customavatars/
Disallow: /forums/customprofilepics/
Disallow: /forums/images/
Disallow: /forums/modcp/
Disallow: /forums/ajax.php
Disallow: /forums/cron.php
Disallow: /forums/editpost.php
Disallow: /forums/image.php
Disallow: /forums/inlinemod.php
Disallow: /forums/joinrequests.php
Disallow: /forums/login.php
Disallow: /forums/memberlist.php
Disallow: /forums/moderator.php
Disallow: /forums/newattachment.php
Disallow: /forums/newreply.php
Disallow: /forums/newthread.php
Disallow: /forums/poll.php
Disallow: /forums/private.php
Disallow: /forums/register.php
Disallow: /forums/report.php
Disallow: /forums/reputation.php
Disallow: /forums/search.php
Disallow: /forums/subscription.php
Disallow: /forums/threadrate.php
Disallow: /forums/usercp.php
Disallow: /forums/usernote.php

exchange forums with your directory.

It will take a few days to take place, as google will have to release your pages.