LONDON -- Another day,tied up anal sex video another man explaining something to a woman that knows hella more than he does on the topic.

This time, the players are UKIP donor Arron Banks (the 'splainer) and renowned Cambridge University classicist Mary Beard (the 'splainee).

Here's how it went down.

Banks, whose self-proclaimed credentials in Roman history include history lessons from his schoolboy days and regular visits to the city (oh, and he likes to watch Gladiator), made this assertion:

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Beard, who has produced numerous BBC series on Rome, dropped in to say not so fast.

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Undaunted, Banks persisted that his knowledge of history was indeed superior.

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At this point, Beard called a spade a spade.

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Banks wasn't having any of it, though. Because by god, we live in a post-truth society, and if we don't like the facts we can make up our own!

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To which Beard suggested that this might be an instance where experts come in handy.

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Twitter took the exchange as an excellent opportunity to take the piss out of the British businessman.

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But it was Twitter queen J.K. Rowling who came in with the ultimate shutdown. In response to Twitter user @Mr_XYZ who suggested that Beard's credentials were insufficient, Rowling replied with this gem:

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THANK YOU LADIES AND GENTLEMEN, you can all go home now -- the queen has spoken.