Cluster Fuck 

A term used for gangbanging a girl or having a group orgy in one particular area ( a small room.)

Hey guys lets have a cluster fuck over Hilary's house.

Cluster Fuck by T-Bear May 6, 2005

cluster fuck 

a general term relating to a large group of men/women failing at a task that one man can do in a short amount of time

A term referring to a large amount of solders in a very small space fighting a equally large amount of solders

Playing a free for all on Nuketown with 18 players

"why are there 30 people trying to change the damn light bulb"

General: "How is the battle going?"
Officer: "80 of our men are cluster fucked in a 4 story building because 100 enemies are on the first floor"

Player 1:Why is there 18 people cluster fucked in Nuketown?
player 2:THERE ARE TOO MANY FUCKING PEOPLE HERE!

cluster fuck by Ivan the CheezBurger eater November 18, 2012

Cluster Fuck 

The I-Pass lanes on the Illinois Tollway

Since they are raising the tolls for those that don't use I-Pass, the I-Pass lanes are one big cluster fuck.

Cluster Fuck by Matt December 7, 2004

cluster fuck 

An exceptionally large number of people in a certain vicinity (party) of one another who have had sex with one another. Each person around can be connected through some sort of sexual act with another, very little degree of separation.

"Holy, shit. Do you know how many people at this party has slept with Tina? And then those guys over there slept with that one dude's girlfriend.
This is such a cluster fuck."

cluster fuck by Brynndolynn November 8, 2006

Cluster Fuck 

when there is more than one penis inside the vagina

the girl was cluster fucked by the two men

Cluster Fuck by tntrocky222 August 25, 2008

cluster fuck 

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.

cluster fuck by iam2please May 19, 2003

cluster fuck 

A term used in sailing races when a lot of boats reach the buoy at the same time. Lots of yelling and swearing is involved, usually directed at the captains of other boats, or at your own boat's crew. High risk of collision. Often followed with excessive drinking.

"Whew, glad to be out of that cluster fuck, pop open a beer for me, will ya?"

cluster fuck by Port tack pirate August 26, 2007