A moment when you don't know what is going on.
Josh and Chandler are driving down the high in the rain when all of a sudden they spin out and do a 720.

Chandler looks at Josh and says "That was a damn Clusterfuck. That is the only word to describe what just happened."
by Godfather2130 May 14, 2011
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A bunch of assclowns running around disorderly, stepping on each other's heads as they gather to the fuck-hall in which they engage in a humongous group-sex orgy.
1. The UN is a big clusterfuck
2. Hogwarts School Of Witchcraft and Wizardry is just a clusterfuck.
by Bastardized Bottomburp March 28, 2003
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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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A Clusterfuck (noun) is a situation in which a group / person who is completely surrounded by other people, sometimes found in crowded zebra crossings.

Other uses include but are not limited to:

Paparazzi.
A rave.
A video game.
A rugby match.
Jeez Bob got clusterfucked by zombies on that game last night
by baedified like a boss May 18, 2016
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An incredibly messed up situation where multiple things have gone wrong.

See: Greece's economy.
Example: Wow, Greece is a total clusterfuck.
by Pixiesfan84 June 23, 2016
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When someone parks behind you and blocks everyone from being able to back out of the driveway
by cptmightymouse July 09, 2009
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