A dirigible-shaped turd conisting of a number of pebble turds stuck together. Contrast with globular cluster which lacks the well-defined shape and more resembles a chocolate peanut cluster.
The dump I took this morning consisted of three slimers, a cluster, a globular cluster and a cloud. Man, I lost weight with that one.
by Mel Biggs August 10, 2006
a crowd cuaght in a confined space
toss a grenade into that cluster!
by Spaz De Kat January 14, 2009
A series of small events or actions.

Taken from Australian cricket commentary, refering to the grouping of where each ball lands on the pitch during an over.
Good cluster Warnie!

Dave:"I tripped over, stubbed my toe and spilt my beer."
Mark:"That's a bad cluster. You're gonna have a bad time."
by Šteggs May 14, 2007
Disorganization; chaos; illogical.
Traffic was a cluster during rush hour.
by JMydlak August 9, 2004
A raw, mark-ass trick who runs amok.
Dude, ur such a cluster.
I just called U that 5 minutes ago...
by phoneshia April 8, 2006
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 27, 2005
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 27, 2005