It has to be said in the absence of someone else saying it..
..that it was a pretty poor insult. "scottish" and "one-eyed" don't really carry much power as put-downs unless met with appropriate misanthropy by someone who is not scottish or one-eyed. "Idiot" is pretty weak too.

But let Supercar Clarkson say what he likes, especially halfway round the world from here, and especially when he is talking about a Prime Minister far weaker than Clarkson's jokes.
(raymond "three griddle pans" luxury yacht lovin' the christmas action, Sat 7 Feb 2009, 0:39, Reply)