155
Any activity involving 3 or more people or 2 or more cars.
I tried to meet those guys at the movies but it all turned into a big cluster fuck
by scott January 17, 2004

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156
In the game of pool/billiards when a significant number of the balls are clustered closely together so as to limit the availability of open shots on the table.
by iam2please May 19, 2003

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157
A group of college freshmen that walk around campus looking for parties in obsenely large groups.
Look at that clusterfuck... they are going to get caught for sure!
by Jordanne Way September 08, 2006

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158
A large assembling of useless identities that do not have any purpose other than to be annoying
Tom Brady thrwe into a cluster fuck of defenders but was lucky to walk away with an incompletion
by Coach Z June 04, 2003

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159
A act of a group sex
Lest have a cluster Fuck
by The man December 14, 1999

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160
Related to the chaos and havoc created by cluster bombs, but in this case, chaos and havoc caused by administrative stupidity and stubborness.
The emergency response drill as a cluster fuck.
by Ralph September 14, 2003

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161
The word clusterfuck derives when many things fuck up at once. Instead of shouting "fuck" over and over, using the term clusterfuck is more convienent!
What a clusterfuck that was at the mall today. Oh Clusterfuck!
by Eric Vanatti September 05, 2006

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