The greeting one receives from a friend/colleague who is genuinely happy you have it as bad as he/she does.
Side-note: said friend/colleague may proudly refer to him/herself as The Mayor of Fucktown if he/she has been fucked by life for a sustained period of time.
Luthor: "Ugh, what a week.. I lost my job. My wife asked me for a divorce and I my kid hates me."
Joe: "Welcome to Fucktown!"