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36.
in computing, this means to have too many computers running on a network, causing the network to mess up, or "clusterfuck"
this is not just for computers. it can apply to computer-like systems that connect to internet, such as Xbox 360, PS3, etc.
Man 1: aww i just got clusterfucked
Man 2: of course you did. you're running 2 laptops, a desktop, and playing black ops on a PS3 with a dial-up internet connection!
by gamewin1 November 12, 2010
 
37.
Multiple negative events happening in a short period of time i.e. an hour.
I was just fired from my job, and on my way home I was in an accident that was totally my fault. Then I was hit by another car while figuring out the details. Today is just a clusterfuck kinda day.
by lh_photographer September 24, 2010
 
38.
1. When something is a complete disaster
2. A situation that is highly unwanted
3. A word used in aggrivation at least once a day to describe the horrible trials a person may be going through (I say may because some ppl are just over dramatic)
1. Travis had to re-write his thesis paper while trying to work a job, spend time with his crazy gf, and deal with his mom. He gets everything but the paper done. looks at what needs to be done. has to write 50 pages in an hour. This would be a clusterfuck.

2. Travis gets put in a clusterfuck when his face gets farted on by his girlfriend.

3. Stagger Lee has an absolutely amazing life. He is rich, good-looking, charming, and talented. He gets dirt on his shirt one day. This would NOT be a clusterfuck. It would just be an inconvience.
by TLeesgirl April 26, 2010
 
39.
Bumper to bumper traffic moving at a snail's pace. A bar or club where there's hardly room to move. A jam packed subway train.
"Can't even get to the bar to order, it's a total cluster fuck"
by NYCman530 March 18, 2010
 
40.
Used in the military when shit is going bad or something is majorly screwed up. Usually accompanied with a load of additional profanity, and if possible, physical confrontation.
"The right flank met with heavy armoured resistance, what a (add multiple expletives) cluster fuck. Where was that intell we were supposed to receive?"
by Fudge911 December 10, 2009
 
41.
a badass word in general. There's 36 other definitions on it,so i really don't need to explain what it means.
Use "clusterfuck" in a coherent sentence, and I guarantee you that it will impress everyone around you.
by Spaceman Spliff June 09, 2007
 
42.
When anything that can go wrong goes wrong. Imagine a tornado hits a sewage plant then travels and smacks the shit out of a fan emporium.
Holy shit! Getting from downtown was a total cluster fuck, there was sooo much traffic then a car flipped over, just to make matters worst two dudes started fighting in the middle of the street which soon turned to a mosh pit. Then some asshole ran into me and drug his car down the side of mine.
by The Keeper of Knowlegde June 05, 2014