In the parlance of jazz, a square was a person who failed to appreciate the medium, or, more broadly, someone who was out of date or out of touch, hence the saying "be there or be square". In the counterculture movements that started in the 1940s and took momentum in the 1960s a "square" referred to someone who clung to repressive, traditional, stereotypical, one-sided, or "in the box" ways of thinking. The term was used by hipsters in the 1940s, beatniks in the 1950s, hippies in the 1960s, yippies in the 1970s, and other individuals who took part in the movements which emerged to contest the more conservative national, political, religious, philosophical, musical, and social trends. 

https://en.wikipedia.org/wiki/Square_(slang)

Yes Barnaby Joyce IS A SQUARE... Definitely not a Diamond...

Federal Agriculture Minister Barnaby Joyce has pulled out of an appearance on the ABC's Q&A program after Prime Minister Tony Abbott ordered frontbenchers boycott the show, a spokesman says.

Mr Joyce was scheduled to appear on the program tonight but notified the show's producers late yesterday that he would not be appearing.

A spokesman for Mr Joyce said he pulled out of the program after Mr Abbott decided no frontbencher would be allowed to take part.

http://www.abc.net.au/news/2015-07-05/barnaby-joyce-pulls-out-of-qanda-amid-ban-reports/6596576

Whimps... Joyce can't even make up his own mind... He gets his orders from the little turd himself...