-It's when you stick your beard inside a woman's vagina and then you tickle it.
-Oh, ok. Are you sure you want me to do that?
-Yes. I have an itch that needs to be scratched.
*David proceeds to bristle his lady friend to hairy conclusion*
-Thank you. I am sated.
*natural post-coital silence*
-Sooooooo...what do you guys want to talk about?