Eagle-eyed Friends fans have noticed a not-so-subtle NSFW scene hidden in one of the episodes.
During season three's The One With The Dollhouse, a cringeworthy incident featuring Ross accidentally walking in on his sister Monica having a shower had us watching through our fingers when it first came out in 1997.
But as it turns out, one easy-to-miss detail might just make the entire exchange a whole lot worse...
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You can watch the clip below:
It all starts Ross notices Monica's beloved dolls' house is on fire. Panicking, he runs to the bathroom for some water to extinguish the blaze.
While running through the door, it's implied that he sees Monica mid-shower. They both scream, and her brother hot-foots it straight back out.
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But there's an entirely new layer to this which most of us have been missing...
Staring woefully down at the burnt remains of Monica's dolls' house, the brother and sister duo attempt to clear the air after the embarrassing moment.
"By the way", she said. "I was just checking the shower massager".
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So what exactly was Monica doing with the bathroom gadget?
One Reddit user even started an entire thread on the seconds-long scene, questioning whether Monica "testing the shower massager" could be a euphemism for something else.
"I'm 29 and I just realize it now. My innocence is gone. Thanks." one user replied.
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"I just assumed she screamed because Ross opened the shower curtain and threw a flaming dollhouse in there", joked another.
"That's what I assumed" a third user insisted.
Other users pointed out a similar reference in another fan favourite.
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"They used to make jokes in Will and Grace with Karen and Will's shower head", one commenter noted.
Safe to say our childhoods may have been ruined - but we always knew Monica was a relatable queen.
Featured Image Credit: AlamyTopics: Friends, TV And Film, Netflix