One prone to using big words.The word is an example of form following function: the root sesquipedalian is loaded with extra word-parts that amplify its meaning. My form adds one more word part to the end (ic) making the word even longer.
He said people who tried to impressothers with fancy words were just being hyperpolysyllabicsesquipedalianistic.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".