Dan Abel wrote:
> In article >,
> "elaine" > wrote:
>
>> <sf> wrote in message ...
>> > On Wed, 20 Dec 2006 17:49:56 -0500, yetanotherBob
>
>> > Which reminds me... what does the OB in "OB: food" mean?
>>
>> ObFood : 'obligatory food reference'. An old rfc tradition.
>> Many people hold that, whenever one happens to post off
>> topic, one is supposed to add something that has to do
>> with food, ideally something that is actually interesting
>> and/or useful.
>>
>> Is this the meaning?
>>
>> Pasted from the rec.food cooking FAQ
>
>
> ObXXX: is common on many newsgroups, not just rfc.

And even appears in The Jargon File:

http://catb.org/jargon/html/O/Ob-.html

--
Blinky