help me with US slang, please.

0Hi guys,02br
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00Please, I got totally stuck on the slang phrase "01u00Hinky thing02u00". I found just the definition of the word "01u00hinky02u00" at the freedictionary portal, but it doesn't make any sense to me, because according the examples, which I found via goodle, it's being used not just by the police officers....Can you please clarify me it?02br
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00Examples:02br
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01i00- The other 01b00hinky thing02b00 about the game is its economics.02i02br
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01i00- Finally, the most 01b00hinky thing02b00 is that no incident report was filed.02i02br
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01i00- The only 01b00hinky thing02b00 about my used machine was that the air adjustment was kind of gummed up.02i02br
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00I heard this phrase in the season finale of Cold Case, where detectives were trying to figure out, what caused the fire in one apartment.02br
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01i00What's your take on the Baker Street fire, Louie? (take on something = opinion, idea)02i02br
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01i01u00Hinky thing?02u00 I'm seeing alligator patterns in that room right over here.02br
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00Thank you in advance for your help. 02br
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00Nice weekend to all!02br
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00regards0-