Often used with mmorpgs. It involves players banding together to succeed at a common goal- such as taking over territory, killing an opposing faction, or most commonly killing big scary internet monsters that drop coveted items.

It can be used as a noun or verb, noun referring a specific event, and in verbage, the act of embarking on that event.
A: We've scheduled a Black Temple raid tonight. You coming?
B: I can't raid, I gotta get laid!
A: No epix or dkp for you!
by liquoredonlife February 5, 2008
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Redundant Array of Independant (or Inexpensive) Disks.

There are several configurations of RAID.

Raid 0 = stripping with no redundancy
Raid 1 = mirror
Raid 5 = stripping across many drives with redundancy

There are many other configurations as well
Our new Dell server came with a RAID system.
by Denis Baldwin February 3, 2004
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where anonymous' truely epic lulz come from
THEY ONLY COME FROM RAIDS
by anonymous      August 10, 2009
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A raid is when a bunch of people who play a game too much, get together to play the game some more. Because they have to work together to kill the biggest bosses.
A: What's going on, is like the whole world noobified, like the exact same time?
B: It's my guild, we are doing a raid.
by pimpstenator March 14, 2010
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I'm not that clever, I hope I get RAIDS and die.
by ecaleohs April 8, 2008
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when you are changing for soccer and a teacher comes and sprays you with febreeze over and over, or pelts wet paper towels at you. It is somewhat like rape
Are you going to raid us today?
by George Filmand October 6, 2011
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1) Ah shit Randy gave me raids again.

2) I think that handle bar mustache has a little raids juice dripping from it.

3) I think I picked up a case of RAIDS at the pitchfork festival
by Ron Paul jr. February 12, 2012
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