When multiple dicks are being penatrated in a single womans vagina.
Bro! We had a muster cluster with Kate last night!
by Mr. Jones21 January 22, 2011
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cock cluster is similar in definition to sausage fest or cock fest, a synonym really. it means that a party or event consists predominantly of male participants thus making it a cluster of males or cocks in comparison to females at the event.
Guy 1: holy shit bro, this place is a fuckin cock cluster. i'm steppin over dick with every step.

Guy 2: yeah man, lets ditch this place and go to {another bar/club name here}, i heard there's more pussy there.
by yourmomsboyfriend February 9, 2010
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The offensive strong odour of many varied clashing aftershaves and perfumes, emanating from a group of people on a night out together. Combined into one unholy stink, this stench often catches you unaware, and chokes you as you walk down a street.

It is a cluster pong. You have been cluster ponged.
Example 1:
'Holy cow, I walked right into that cluster pong, and now my head hurts.'

Example 2:
'Lets cross the street, there's a Hen party ahead and I can't breath in that kind of cluster pong, I only have two lungs.'

Example 3:
'I would love go out drinking this Friday night, but I can't handle the hellish cluster pong. Can we make it Monday morning instead?'
by iluvwords April 25, 2009
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To inform (via message) a large group of people on social networking sites (ie myspace or facebook) in an attempt to exclude members who would ordinarily be informed by posting bulletins or announcements.
Monica cluster-commented her myspace friends about her birthday party. She could have just as easily sent out a bulletin, but wanted to be selective about who she told.
by juniper love November 6, 2006
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A group of females whom think they are very funny and cool, when really they all deserve to be in the kitchen making sandwiches.
"Jesus Christ, Bill, look at that cluster cunt over there. NONE of them are making sandwiches!"
by Lord W Teezy August 14, 2011
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A terrible situation, when things are totally out of control.
How is life going for you these days?

My wife left me, I get robbed, and my dog died... Things went from bad to worse to a big cluster-fuck.
by charleshasideas April 26, 2010
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Also a series of minor or major mishaps leading to an almighty fuck-up
What with the failure of the goods being delivered on time, no-one knowing where to go and no-one who knew what to do anyway, the whole thing was a cluster fuck
by PaulF October 4, 2006
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