A term used in minecraft in-game text chat. a replacement for 'oh my god'
oh my notch! there was three creepers after me and they blew each other up!
in computing, this means to have too many computers running on a network, causing the network to mess up, or "clusterfuck"
this is not just for computers. it can apply to computer-like systems that connect to internet, such as Xbox 360, PS3, etc.
Man 1: aww i just got clusterfucked
Man 2: of course you did. you're running 2 laptops, a desktop, and playing black ops on a PS3 with a dial-up internet connection!