bluffer

Separately, it emerged at an ongoing inquiry that Mr Williams had described a campaigner who tried to draw attention to faults in Horizon software in 2015 as a "bluffer".

The career civil servants and "public school bluffers" in Whitehall are singularly ill-equipped to take decisions about complex issues, he has argued at great length on his blog.

The career civil servants and "public school bluffers" in Whitehall are singularly ill equipped to take decisions about complex issues, he has argued at great length on his blog.

Cummings added that he did not want to hire “confident public school bluffers” in the role.

But if you haven't watched it before or need a reminder of the plot, look no further - here's a handy bluffer's guide to series one to five.