2 definitions by Kurusunami

Top Definition
A DDoS client made by Praetox.com, this is one of the more widely used clients. Its effectiveness is debated, because some think there are easier ways, simply via MS-DOS or Notepad. Some believe faithfully in its use.
"Let's use our fanbase to Low Orbit Ion Cannon the people at RIAA! Why not? We don't have anything else to do."

"guys, add some to the cancer on 4chan and give them some low orbit ion cannon ownage."
by Kurusunami August 27, 2008
This is an acronym for Low Orbit Ion Cannon, a Distributed Denial-of-Service client. . See that page for more info.
"lol gys LOIC teh shit outta souja boi hes at 208.76,217.20 give this message 'We are Anonymous. We are legion. We do not forgive. We do not forget. Expect us.' HAHAHAHAHH GOGO /B/!1!1!1!11!!!!"

"Did you hear about that antivirus company site getting LOIC'd?"
"Yeah, I heard they were so flooded they couldn't even put out a message to try to make the attackers stop."
by Kurusunami August 27, 2008

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