A play on words with Senator John McCain's last name, replacing CAIN with SHAME. This is one of many neologisms which have been coined as of late concerning McCain's name, as well as with Obama's name -- depending on one's political preferences with either presidential candidate.
In the 110th Congress, Senator John McShame has missed 62.6% of all Senate votes -- more than any other senator!
McThuselah, a play on words from the name of Senator John McCain and the oldest person whose age is mentioned in the Hebrew Bible, methuselah. Methuselah lived to 969 years, and the application of the term has become a general synonym for a really, really old living creature.*
This word may appear frequently in newspaper or political blogs.
Some fear, while others look forward to the prospects of a third Bush term under a McThuselah presidency.