In the movie The Social Network Sean Parker says in his first meeting with Mark: Sean Parker: "And they want you to say 'thank you' while you, excuse me, wipe your chin and walk away." I never was quite able to figure this one out , so what exactly does wipe your chin and walk away refers to? If you wish, you can see to the YouTube clip of the conversation here.
![What does "wipe your chin and walk away" mean?](https://cdn-ak-scissors.b.st-hatena.com/image/square/803a07a7a1a316566e407eafa4d4ae2cba3c3fdb/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fenglish%2FImg%2Fapple-touch-icon%402.png%3Fv%3D5bebfd2a0d06)