austerian, n.; pl. austerians. Pejorative. Someone who advocates austerity, that's, cutting federal government expenses, especially social expenses, in an effort to cut governmental deficits. (A comic formation based on the term "austerity" combined aided by the term "Austrian," since austerity guidelines are from the "Austrian School of Economics")austerian, adj.: of or pertaining to guidelines advocated by austerians or even austerians by themselves.