This, it seems, is the UK version of the US "blue-assed fly" which dates back to 1932.

BBC: Quiz of the week's news

Blue fly-half Parks knocked over two successive penalties to close the gap, with Casey Laulala beginning to cause problems for the Leinster defence.

BBC: Magners League: Leinster 34-23 Blues

Also, the centre piece of the announcement was a CGI fly-through along Victoria embankment including blue, segregated cycle lanes.

BBC: Cycling Crossrail: First of many bumps in the road