An intensive or expletive, similar to "godforsaken
(i)a surreal or overwhelming frustration or despair
It is thought to have been circulated in July 2008 by the author of the blog http://sceth-zeal.blogspot.com/2008/08/godfucksatan.html , where it was posted in August 2008.
The godfucksatan lawsuit is going to drown this godfucksatan company. Kill me now.