Airplane Toilet Licking Video is a short clip posted to Twitter in March 2019 showing user @grimiestt bending over an airplane lavatory and dragging their tongue across the toilet seat1. Text scrawled across the frame reads, "Lickin the airplane toilet bc I'm gross like that," and the caption boasts that this was the first toilet ever to make their tongue go numb1.

The clip is barely a few seconds long, shot vertically inside the cramped cubicle, and the appeal is entirely the shock of watching someone actually do it on a public flight3. That shock is what pushed the video from a niche follower base to millions of quote-tweeted reactions in a matter of days1.

The airplane toilet licking video is not a template people recreate, it is a reference. Twitter users typically respond by quote-tweeting the clip with a stacked reaction image, an It Was Time for Thomas to Leave edit or a simple "what did it cost" caption to convey that they cannot unsee what they just watched3.