Jimmy Fallon and Amy Adams [1] celebrated the season by embracing everyone's favorite holiday pastime and playing a drinking game. Amy stopped by The Tonight Show Starring Jimmy Fallon on Thursday and took on Jimmy in a holiday Flip Cup challenge. The duo faced off, competing to drink and flip over the most cups first. While Amy gave it a valiant effort, she was no match for Jimmy and his masterful flipping skills. Watch Amy's hilarious reaction, and check out more must-see viral videos [2].