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2.
A situtation of unforeseen problems.
Taking that girl home turned out to be a can of worms.
by uberchuckie February 17, 2004
 
1.
A tricky situation which requires much effort to resolve.
My girlfriend caught me kissing another woman, so I think I opened up a can of worms on that one.
by Albert February 14, 2004
 
3.
A prolific source of troubles.

see also: Pandora's Box
Joe really opened a can of worms when he snitched on Leon.
by BeerLovinGuy February 13, 2004
 
4.
A tricky highway location in Rochester, NY where 490 West, 590 North and 590 South all split at the same time. Requires precise manuevering and quick thinking.
"This is News Chopper 10 reporting your morning traffic. We have a 10 car pile up at the can of worms this morning."
by yeahyeahyeas February 04, 2005
 
5.
1. A complicated situation.
That would open up a whole can of worms!
by teresa February 12, 2004
 
6.
an intertwined set of problems
A virus like that can really open up a can of worms.
by Light Joker April 05, 2005
 
7.
a source of many unpredictable and complicated problems
fairfax high school is nothing but a can of worms
by irishrepublicanarmy January 02, 2004