1. to act, talk or write like a blowhard;
2. to talk like a Republican politician.
The word is an amalgam of "(to) blowhard" and "to obviate".
Those who can't do, teach. Those who can't teach, bloviate.
CNN's Rick Sanchez thinks he has dicovered the word "bloviate", but he has absolutely no idea what it means. It's a rare example of a bloviator bloviating about "bloviate".
A key attribute to those that sell. To pretend to understand technical subject matter and sell it to others even dumber then oneself.