Top Definition
An unforseen delay creating a chain reaction of minor setbacks
Rob - (On phone with wife) Don't think I can make dinner with your parents tonight, the printer broke at work and I'm all backed up getting the reports ready for the morning.

Sarah - Oh, come on Rob, that's the third time this month your standing us up because of a cluster hiccup.
by shakerrr March 11, 2011
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