Cat denial
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Cat - feline
+
Denial - a state of hiding from the truth
= Cat denial
This is a serious condition that occurs in the following situation:
When you share other people's images of cats on a Saturday but you deny that you participate in the Internet meme day known as Caturday, just because you didn't upload it yourself.
Despite Denis sharing Amanda's YouTube cat video, he was clearly in cat denial that he was now an active part of the Caturday phenomena.