Coined by George W. Bush in the first debate against John Kerry. Meaning senators scared of a giving away precious tax dollars to the US Medical System.
Bush - In the senate these days its not medicare... Its mediscare!
The use of scare tactics, claiming that your political opponents will kill Medicare
"A Campaign Full of Mediscare
Obama and Romney both aim to slow Medicare spending. But each accuses the other of hurting seniors in the process." - Factcheck.org, August 22, 2012