'A Right Number Six' is used in reference to a person who is generally a spanner and thinks, usually in a sporting context, that they are better then they actually are. They also have a loud mouth and utilse this annoying all.
Bob: Did you see that centre half, a prize pillock whenever I have seen one.
Jim: Yeah, a Right Number Six.
Jim: Yeah, a Right Number Six.
by Wind. July 5, 2010