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As avid listeners of Heart FM, we had never heard of Radio 1's Innuendo Bingo show up until today. Boy, were we missing out.

The gist of the show is for celebrity guests not to laugh at a variety of innunedo while having their mouths full of water.

We have no idea what this has to do with bingo but it's certainly fun to watch!

Rachel Riley from Countdown went on the show recently and already the video of her "performance" has gone viral on YouTube.

She does seem to laugh at anything, but to to be fair there are some cracking innuendos cranked out. Maybe the bingo sites could learn from Radio 1 and throw in a few more saucy calls when the, ahem, balls pop out.