Obamanity is also already taken.
Obaminousness never had a chance, and Obaminosity never quite caught on (wonder why).
And as for Obamanisha, please don't even go there.
I love puns and portmanteau words.. I always check claims. There are a few in the media who a) do not pay attention to what anyone else is saying or b) do not know how to use Internet search engines.
What shocks me is the lack of viral response for a great word a FReeper invented in 2008 -- not me, I wish I had of, I'd have a lock on the domain name.
It's Barrystroika.
.. especially in light of the associated article about a imam saying that their god would send a Gorbachev to destroy the U.S.