Uzui slapping Aoi in episode 8 of Demon Slayer Season 2 has turned out to be the most “flashy” moment of the new Entertainment District arc. Now, why did Uzi Tengen slap Aoi?
First things first, this scene alone has taken the attention of the masses and people are going crazy over this “questionable” behaviour of Lord Uzui Tengen, the Sound Hashira.
Memes have already started to gain traction and videos about Uzui slapping Aoi are gaining popularity. Man, Twitter would be going nuts!
Related: Uzui Tengen vs Gyutaro, who would win? (Deep Battle series)
Now, for the audience, this act was heavily weird. I would not be surprised if feminists erupt and crash the Demon Slayer franchise.
For me though, this act of “slapping” could have a bigger meaning.
why did uzui tengen slap Aoi?
I think Uzui was telling something to the trio of Tanjiro, Zenitsu and Inosuke.
Pay attention to what the flamboyant man said:

“But remember this, don’t you dare defy me!”
Uzui Tengen
It seemed like he was warning Tanjiro and the others that if they don’t follow Uzui’s orders then they will be punished in the form of a slap on their bottoms.
I think this was the meaning of this extremely hilarious scene. Do let me know in the comments.
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This act just shows how chill and weird this Uzui guy is.
No wonder everyone found him so interesting and funny. It is only a matter of time until Uzui becomes a fan favourite (I don’t think he will surpass Rengoku though).

When I was reading the slapping part in the manga, I was a bit shocked. It felt so sudden and out of place, but then I took another look at what Uzui was saying and then I realized that maybe it had a purpose.
Even if it didn’t mean anything, it was a fun scene regardless. And honestly, we, the poor innocent viewers, needed that. After all the stuff with Rengoku and his poor, broken father, the funny scenes with Uzui were much needed.
I am a manga reader and hope that fans will enjoy this flamboyant season of Demon Slayer.
To clear another doubt, read about why the Wind Hashira, Sanemi Shinazugawa was right to attack Nezuko in episode 22 of Demon Slayer.