
Moonbat is a term used in United States politics as a pejorative political epithet referring to progressives or leftists. ==Etymology== According to a 2006 article by New York Times self-described `language maven` William Safire, the term was first used by science fiction author Robert A. Heinlein in 1947. Heinlein used the term in a 1947 short .....
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http://en.wikipedia.org/wiki/Moonbat

Pejorative label for a person on the political left
Found on
https://www.encyclo.co.uk/local/20531

a term used to describe alarmists, fanatical anti-war activist, environmental extremists, and other radicals and politicians. It is perceived that they have sacrificed sanity for uniformity .. like mad dogs barking at the moon. Their prophets include Gov. Jerry Brown, CA (Gov Moonbeam) and more recently, Cindy Sheehan (Mother Moonbat).
Found on
https://www.encyclo.co.uk/local/21664
No exact match found.