g.e.d.enius
A person who thinks they're a genius just because they read a Utne Reader article and now they're trying to outsmart everyone.
He read one article and now he thinks he's smarter than my teacher.
She got a G. E. D. and now she's telling me she's the smartest person in the world.
He got a G. E. D. and now he's trying to outsmart my mom.