Harry Potter fans left disgusted after finding dirty joke in the 4th film

Wash your mouth out Hermione.

One example is the moment Buzz Lightyear's wings pop out when he realises he is attracted to Jessie in Toy Story 2.

Another involves Lord Farquaad and the mirror on the wall in Shrek. We'll let you go and Google that one rather than attempt to explain it.

Well, one that may have gone under the radar for a long time comes from the fourth Harry Potter film - Goblet of Fire.

There are few franchises that get better the more times you watch them than the eight chapters from Hogwarts. The last film was released back in 2011, but the Harry Potter craze has continued with the Fantastic Beasts spin-off movies, studio tours and theme parks.

One could argue that the films aren't strictly made for children, with grown men and women talking about whether they're Gryffindor, Slytherin, Hufflepuff or Ravenclaw in office conversations.

It seems that the filmmakers decided to acknowledge some of these older viewers when it came to the fourth film.

The Goblet of Fire centers around the Triwizard tournament taking place at Hogwarts.

Among those competing is Viktor Krum, and he strikes up a romance with Hermione.

This is where the "adult" content comes in. As Harry and Hermione stand on the famous bridge in the castle, the conversation takes a slightly tongue-in-cheek turn.

Kathy Martinez on TikTok posts a series of clips called 'Childhood films filled with adult jokes'. So far, there's been over 150 clips in the series, and this one came in at 133.

In case you didn't pick it up, Harry says: "I suppose Viktor has already figured it out," to which Hermione responds: "Wouldn't know, we don't actually talk about the tournament."

There's a pause, before she adds: "Actually, we don't really talk at all. Viktor's more of a physical being."

Hermione then confirms what we're all thinking, by looking off into the distance and giving us a wide, cheeky smirk.

In the comments section of Kathy's TikTok, 94 other people were in shock at not picking up on the reference before.

Rhema Ikichi wrote: "How did I not notice this joke for what it actually meant?"

Another user who goes by Krokomite on the app commented: "Never even noticed that before, and I have watched this movie so many times! Never thought Hermione had that side of her."

Lee McGee said: "I did a Harry Potter movie marathon recently how did I not notice this."

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