a large number of people jumping one person.it is used in chi-town
yo son we flooded his ass after all that mouth he was popin
by miss shyster November 19, 2006
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Used in instant-messaging chatrooms by people who want to disrupt the chat, and possibly cause the room to malfunction. The same message is sent over and over again at a rapid speed. This is usually achieved by copying a message and then pasting it/hitting enter as fast as possible. The message is usually very long and offensive, but sometimes comprises of just 1 character.

Commonly used in "chatroom wars" on chat servers such as www.oaserv.co.uk and MSN chat.
Those fucks from "-Thee-Olde-Brothel-" are flooding our room again. You should've never insulted their leader.
by OiOiBoy June 25, 2006
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In Halo 2, Flood are parasites that infect any living organism, taking over their motor functions. The Flood parasite uses the host to reproduce its spores. Since they do not discriminate between various speciaes, the Flood will fight both the humans and the Covenant.
The Flood are one of the most formidable enemies you'll encounter.
by Dan January 21, 2005
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When attending a Halo party and not participating in a round, silently approach the back of whoever appears to be winning the current round and ejaculate all over the back of that player's head.
Player: "I'm ahead b 5 frags... what the hell was that?!?"
Bystander: "The Flood!"
by fagmuffin February 24, 2005
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flood

Background: Middle English, from Old English flOd; akin to Old High German fluot flood, Old English flOwan to flow

1 a : a rising and overflowing of a body of water especially onto normally dry land; also : a condition of overflowing <rivers in flood> b capitalized : a flood described in the Bible as covering the earth in the time of Noah

2 Children who have grown such that the trouser legs are not long enough are pejoratively said to be wearing "floods" (a reference to hiked pants to keep them dry in flood times). This is usually caused by a : suffering from extreme poverty; b : their parents looked down on them with contempt or aversion and therefore weren’t concerned enough to keep them in appropriately fitting clothes.

3 The act of sending numerous Instant Messages, Chat Invitations or Text Messages in a small time frame; whether accidentally or in the hopes of annoying people and crashing their IM program.
Examples:
1. I woke up one morning and the bathroom was flooded with dirty brown water. Apparently Barith had taken a big deuce causing the toilet to rise and overflow onto the normally dry tile of the bathroom floor.

2. None.

3. My phone bill was over $200 last month because Washer Woman kept flooding my phone with trivial things about her mundane life.
by Jendo October 29, 2004
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Usenet: A large number of posts uploaded about the same subject.
Hey did you see the flood of DragonForce MP3s on newsgroups the other day?
by Chris J Pisarczyk June 24, 2005
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The lifeforms in Halo that infect corpses and basically turn them into zombies. Then it turns into Resident Evil in space. The best way to deal with them is with shotguns and energy swords.
"Screw this shit! I'm not paid to star in Resident Evil!"-Master Chief, from the flash, "There's Something About Halo."
by i_anonymous December 7, 2004
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