An cousin to Rule 34. Simply stated: If something has even the slightest nonhuman features, somewhere in the internet there is someone ready to identify as that or sleep with it.
"I drew my OC with a bunny tail once and suddenly now I'm seeing people dress up as her at Furry Cons..."
"Sorry, but you should have known it was going to fall under Rule 4E."
by Joybane February 24, 2021
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