SCHIP and Medicaid. Comon now... that would make any Obamite proud as punch - sure fiscal conservatives wanted him to cut and he didn't. That's when Republicans went little "r" and large "C" Conservative. What ticks people off is hearing "hope and change" but it's really just "status quo" and the constant claim status quo IS hope and change. To quote Obama, "They must think your stupid" - and he does.
As with everything, there's a catalyst that needed to start the fire. Doubling down seems to have been that catalyst, but the anger at spending has been there since the 2002.