1 definition by Newt Gengrich
Term used to describe the pointless babble that comes out of the mouth of Professors with many degrees. Often followed by the denial of self-absorption.
"Today in class Dr. Sinclair rambled on for an hour explaining what we already know."
"It must be his Phd mouth."
"It must be his Phd mouth."
by Newt Gengrich December 1, 2009