I found out what BBOT means by searching their forum. BBOT = Big Brother Off Topic. Here is what it said:

Posted: Thu Sep 07, 2006 06:32 Post subject:

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This is a London TV station's site. They have a forum on the show Big Brother. The forum has several other areas for folks to talk about whatever pops up.

BBOT:
http://community.channel4.com/eve/fo...m/f/1560040854

They linked to Oceangram here: http://www.channel4.com/entertainmen...ndex_ungeo.jsp