(verb)
To mass-message a large number of people using an identical message via the comment, wall, or guestbook section of social networking sites (ie, myspace or friendster), often for the purpose of quickly alerting a large number of people to information such as an event or breaking news story.
Nicole: Hey, did you tell everyone to meet at Shakedown on Saturday?
Carlos: Yeah, i cluster-commented the flyer to everyone on myspace.
by sp00ki October 9, 2006
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1) The act of a chaotic, uncontrollable, frazy time - usually related to wreaking havoc in the name of fun.

2) Scenario's - generally work related - that show zero sign of positivity and follow the trend of bad to worse.
1) Are you down for some cluster fuckery this weekend?

2) This project is so full of cluster fuckery we'll never get done in time.
by !BlackDeath! November 12, 2007
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to get shafted because everything comes down on you at once
Dude: How'd you do on your midterms?

Me: I got cluster fucked :(
by wangster November 6, 2003
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A song by Opeth that is about how 2 lovers tragically die whenever the man was sentenced to death for marrying or at least try marrying his love, Melinda. The crowd stood there as they tie the noose and the lovers die.
Dude 1: So what you think about the song White Cluster
Dude 2: The song was epic but the meaning of it is kinda dramatic
Dude 1: I know right
by InsideTheReverie August 5, 2018
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When someone sends you multiple few word text messages in succession.

Especially when each message is its own complete thought and therefore, each one requires a specific response.

Other Forms: Cluster Texting; Cluster Texter
Ronnie doesn't realize how annoying and confusing it is when he CLUSTER TEXTS people.
by FunnyMrBiggs August 19, 2011
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When there are too many people in a confined space, all of whom have no idea what they are doing. When this happens in a nunnery, it's called a Cloister Fuck.
Any retail establishment on the day after Thanksgiving (Black Friday) is a cluster fuck of the grandest proportions.
by Weehawk30 September 5, 2006
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military use: a situation where nothing will go right, casaulties will occur, evac will not happen, often engineered by the stupid.
"The Bradley got brewed up at the same time inbound arty started dropping, and the whole deal turned into a giant cluster fuck.
by Brian H March 14, 2002
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