When using AIM or a similar instant messaging service, and your away message comes up in response to someone elses away message.
Twitch: ok, just finished Caprica and the 1st actual episode.... I know you've been telling me this s***t for years, but damn, Battlestar = pretty damn awesome.
Auto response from george: Away
Auto response from Twitch: I am away from my computer right now.
Twitch: dueling away messages!