look up any word, like the eiffel tower:
 
2.
A mental condition where the afflicted person is unable to distinguish between the countries of Sweden and Finland, despite the two being distinct from each other. This condition is usually a symptom of a lack of general geographic awareness.

This condition usually manifests itself when the sufferer attempts to convey the concept of Stockholm syndrome to others.
From the news channel in Die Hard:
Gail Wallens: Dr. Hasseldorf, what can we expect in the next few hours?
Dr. Hasseldorf: Well, Gail, by this time the hostages should be going through the early stages of the Helsinki Syndrome.
Harvey Johnson: As in Helsinki, Sweden.
Dr. Hasseldorf: Finland.

From Top Gear:
Richard Hammond: I finally understand what they mean by that, is it Helsinki syndrome, when people are being kidnapped, when they're released, miss their kidnappers.
by r3loaded August 11, 2011
 
1.
Being bit of an idiot and getting your syndromes mixed up.
I finally understand what they mean by that, is it Helsinki syndrome, when people are being kidnapped, when they're released, miss their kidnappers.
by Richie Hamster August 01, 2011