vb.org Archive - default meta description?

I just started a new forum and noticed some of my threads are starting to get indexed in google. However, the description of the threads are

"User Control Panel, Private Messages, Subscriptions, Who's Online, Search Forums, Forums Home, Welcome to GatorEnvy.com, Gator Envy Original News and Info ..."

Is there a way to set a default description for threads being indexed. Or Can I somehow have the description in the google results be the first few lines of the post?

It has the correct description for the forum index page that I set in my admincp, but it only uses it for the homepage on the google results, none of the threads.

Thanks!

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X vBulletin 3.8.12 by vBS Debug Information
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Template Usage: (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)footer (1)gobutton (1)header (1)headinclude (6)option (1)post_thanks_navbar_search (1)printthread (1)printthreadbit (1)spacer_close (1)spacer_open Phrase Groups Available: global postbit showthread	Included Files: ./printthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/class_bbcode_alt.php ./includes/class_bbcode.php ./includes/functions_bigthree.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete printthread_start bbcode_fetch_tags bbcode_create bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete printthread_post printthread_complete
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