Top Definition
It is a polite way of saying Cluster Fuck when you can't say Fuck. Mostly used in normal speech in front of parents, small children, clergy or PC co-workers.
"Oh man, that 17 car pile up on the Beltway was a huge Cluster. I had no idea when or if I was going to get out of it alive."
by SusanHunt August 26, 2005

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a crowd cuaght in a confined space
toss a grenade into that cluster!
by Spaz De Kat January 14, 2009

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It is a polite way of saying Cluster Fuck when you can't say Fuck. Mostly used in normal speech in front of parents, small children, clergy or PC co-workers.
"Oh man, that 17 car pile up on the Beltway was a huge Cluster. I had no idea when or if I was going to get out of it alive."
by SusanHunt August 26, 2005

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Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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Disorganization; chaos; illogical.
Traffic was a cluster during rush hour.
by JMydlak August 09, 2004

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The Urban Dictionary T-Shirt

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A series of headaches that occurs with the medical condition Cluster Headaches.
I have had cluster headaches for 10 years, but this CLUSTER is the worst.
by JJA December 22, 2004

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To text excessively or to offer pictures with minimal clothing, often ending in no reply or an awkward moment of confusion.
Yesterday I was doing my homework, when he started to cluster me, I have a boyfriend, so I didn't reply.
by Real4lyfe21221 December 15, 2010

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The Urban Dictionary T-Shirt

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A raw, mark-ass trick who runs amok.
Dude, ur such a cluster.
I just called U that 5 minutes ago...
by phoneshia April 08, 2006

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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