This post begins: I recently heard that ASB is a neologism used by writers of Alternate History Science Fiction. The term refers to an implausible idea based on current knowledge, a really stupid turn of events that makes the reader stop and say, “What?” ASB stands for “Alien Space Bats” and was coined by Alison Brooks in 1999. Brooks used it to point out that World War II’s Operation Sea Lion could only have succeeded if the Nazis had had the help of Alien Space Bats. Since then the term has been used to signify any highly unlikely event.
If you’d like to read the rest, please check out Monster: From the Pages of Dark Worlds Quarterly.