Rachel Riley was left red-faced after she noticed a rude word had been left on the board during this week's show.The maths whizz, 34, took to Twitter today to share a screengrab from the episode in a lighthearted post, showing her squirming after the word "blowie" was spelt out by a contestant.Blowie is a vulgar slang term to describe oral sex performed on a man – but Rachel told how the contestant was also writing the slang name in Australia for a blowfly.Rachel, who has presented the show for 10 years, wrote: "The blowie – that well-known type of fly...
of course! Happy Friday folks."Countdown fans saw the funny side and took to Twitter to joke with Rachel about the awkward moment.One wrote: "Couldn't help but notice your smile when this.
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