Link: https://old.reddit.com/r/tifu/comments/1te98yn/tifu_by_trying_to_check_the_water_level_on_my/

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The original was posted on /r/tifu by /u/Kate_from_oops-games on 2026-05-15 21:08:00+00:00.

I recently got a Waterpik. The very first day I owned it, I turned it on before I put it in my mouth. It immediately power-washed my bathroom mirror, my shirt, and my dignity.

Lesson learned. Ever since that day, I have been incredibly careful. I am a disciplined, methodical Waterpik user. The nozzle goes in the mouth, then the power goes on.

Fast forward to this morning. I'm using it, and the motor starts making a sputtering sound like the reservoir is running dry ...I pulled it out of my mouth to look at the water level...but, I didn't turn it off first.

I took a high-pressure jet of lukewarm tap water directly up the nose. My sinuses have been aggressively deep-cleaned, my brain is hydrated, and I had to towel off my ceiling.

TL;DR: Pulled a running dental power-washer out of my mouth to check the water level, ended up giving my nasal cavity a localized hurricane.