1) a bad situation that involves many different smaller situations to create one massive insanely intense ordeal.

2)when to many things happen at once, making it extremely hard to comprehend.
1) Holy shit! i can't believe my girlfriend was fucking your boyfriend, and they both got into a car accident, and your brother just got arrested, and Jimmy is trying to commit suicide! This whole day was just one big clusterfuck!

2) Wait...i dont understand this movie, who the hell is that guy and why is he now pointing a gun at that other dude..? And when the fuck did they go to the jungle?
by CzarOfSlang April 21, 2010
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Military term for an operation in which multiple things have gone wrong. Related to "SNAFU" (Situation Normal, All Fucked Up") and "FUBAR" (Fucked Up Beyond All Repair).

In radio communication or polite conversation (i.e. with a very senior officer with whom you have no prior experience) the term "clusterfuck" will often be replaced by the NATO phonetic acronym "Charlie Foxtrot."
By the time the artillery came in the enemy was already on top of us. It was a total clusterfuck.
by Anonymous October 18, 2003
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A disease or state of illness that, while similar to the Rube Goldberg Syndrome (a chain-reaction of diseases), differs in that it has no single origin and that the patient's future is completely uncertain.
You thought your brother's case of Rube Goldberg Syndrome was bad? Mine had a total case of clusterfuckitis... first he got some weird infection during a heart surgery, then 20 years later he went crazy and biked 3000 miles in one summer, and then the infection got back at him, he had to stop biking, so then his heart had to get used to him being lazy, but couldn't, so now he's breathing all funny, bet he's gonna get pneumonia from that bug now...
by Mikey McM. February 2, 2009
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"If you looked up clusterfuck in a dictionary, well you wouldn't find anything because clusterfuck isn't a real word. But if it was, there would probably be a picture of South Sudan next to it."
by digeridoo. March 6, 2021
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When you're days away from coming out of your fourth COVID lockdown and your local health authority advises that a new and dangerous strain has just been detected and that it would be imprudent to open up until the source of the new cluster is identified. In this context, clusterfuck is a portmanteau of COVID cluster plus being situationally fucked.
Health Official: 'With the discovery of this new and highly transmissible variant, which is unrelated to the existing outbreak, the government will not be relaxing COVID restrictions as previously scheduled. In summary, you have just been clusterfucked"
by Ernest_Hemmingroid June 5, 2021
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