@sumpnlikefaith I see your point but that's not the dictionary definition. Surely someone has coined a term for what you're describing but I have no idea how to find it. Perhaps in another language?
"Hoist by his own petard" has a similar connotation. Maybe searching along that line would be fruitful.
@sumpnlikefaith Reaching out to someone like Grammar Girl might be useful as well.
@danielbsmith Hypocrisy is stirred into this, for sure.
But to me hypocrisy is a little different -- it's usually defined as doing what a person is accusing someone else of.
What I'm getting is that they're doing the very thing they're being accused of in the way they deny it.
It's like almost like a self-fulfilling accusation.