If you don't know what "more cowbell" is all about, you are missing out on one of the best moments ever on Saturday Night Live. Christopher Walken's deadpan performance in the now famous "cowbell" sketch has made him famous all over again with a new generation. If you watch the video and don't think it's hilarious, watch it again and again. Every time I see Walken remain totally straight-faced as he delivers his lines while the rest of the cast is fighting not to lose it (I'm talking to you, Jimmy Fallon) I just crack-up.

Here's the video