Definition of "Blog"
Blog
noun
uncountable
(dated, fandom slang, originally nonce word, humorous) A cocktail or punch served at science fiction conventions. Ingredients vary for different conventions.
Quotations
Drink Blog!
1955, Liverpool Science Fiction Society, advertisement hung by hotel bar
"Why, we've got the greatest defense of all, right here," said the Lion. "We can all drink a little Blog, and hoaxes won't affect us. After all, Blog cures everything, from gafia to snake-bites."
1959, Terry Carr, Ron Ellik (as Carl Brandon), “The Witch”, in The BNF of Iz, archived from the original on 21 July 2013
The waitress sized me up and evidently my aura met with her approval because she came over, smiled the smile of professional waitresses and left a mimeographed drink list. I had no time to be surprised by the list, which included selections such as Xeno, Blog, Grog, Nuclear Fizzes, "Smoooooth" Jack Daniels, India Pale Ale and Bheer (Home Brew 25¢ extra) because it was at this point that my old friend Ichabod wandered up.
1981 November, Rich Brown, “Up Here in the Dream Nickle”, in Science-Fiction Five-Yearly, number 7, page 9
That doesn't explain why I haven't seen anyone objectionably drunk at Minicons over the past five or six years. There's generally kegs of three or more different and excellent micro-brewery beers in the consuite, along with Blog (which is alcoholic by definition, when unmodified), and other alcoholic drinks are available at a dozen or more of the open room parties.
1997 February 23, Don Fitch, “Fan Drinking (Was Re: The Death of the SF Bestseller?...)”, in rec.arts.sf.fandom (Usenet), message-ID <[email protected]>