Kristen Schaal, Brief Armpit Tickle

I haven't see the clip on here, but I hope someone can find it. It's Kristen Schaal (comedian and female correspondent for the daily show) near the end of her comedy special(I assume "comedy central presents") she has what appears to be a friend of hers come out on stage in George Washinton costume and during a part when her arm is above her head he briefly carresses her underarm twice, causing her to giggle and squirm away. It's really cute, partly because I think she is kinda expecting it but puts herself in the position anyway.

This was part of her stand-up show when I saw her a few years ago, though then it was more a parody of that bit in 'Dirty Dancing'.

Very funny, clever woman.