09/11/2012 11:35 GMT | Updated 09/11/2012 11:47 GMT

Sarah Silverman's Filthy Smartphone Prank (VIDEO)

Now here's a lovely game you can play when you're next at a dinner party and there's a lull in the conversation.

Simply whip out your smartphone and do what Sarah Silverman did on Conan O'Brien's talk show this week.

Sadly, as you'll see, the 'Conan' people are clearly a little over-sensitive, and censored it somewhat. But rest assured: you'll definitely get the idea.