Built In Waterfall

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About

Built In Waterfall is an internet slang term referring to a significantly wet vagina. The term became popularized on TikTok in early 2023 in videos where women describe staying hydrated throughout the day so their "built-in waterfall" works that night. It was coined by TikToker Izzie Rayne in early 2023. The trend is often set to an audio snippet of Jim Lahey from Trailer Park Boys saying he's going to "do a wrap-around."

Origin

The earliest known video of someone using the term "built-in waterfall" was posted to TikTok^[1] by @izzierayne on January 13th, 2023, garnering over 24,000 views in a month (shown below).

@izzierayne it’s the best 🫶🏻 #fyp #blonde ♬ original sound – TRAILER PARK BOYS

The video is set to an audio clip from a video of Jim Lahey from Trailer Park Boys saying "I'm gonna do a wrap-around" then wrapping his arm around his head and drinking (shown below).

@trailerparkboysofficial I think I’ll do a wraparound now 💦 #trailerparkboys #legend #drunk #wraparound #classic #comedygold #drunkaf #sofunny #laugh ♬ original sound – TRAILER PARK BOYS

Spread

The term became increasingly popularized on TikTok throughout February 2023 as other users made similar videos, describing how they keep hydrated in the morning so their built-in waterfalls work at night. On February 9th, TikToker^[2] @izzierayne posted another video doing the trend, garnering over 1.2 million views in three weeks (shown below, left). On February 24th, TikToker^[3] @katisvima also posted a video using the term, garnering over 1.3 million views in three days (shown below, right). On February 27th, Distractify^[4] reported on the term.