Top Definition
An incestuous desire for one's niece
Technically I'm an uncle, but I'm the same age as my niece, but she's so smoking hot, I can't help but want to tap that. I may be suffering from adelphithymia!
by Siodhachan August 21, 2011

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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