A video of an airplane passenger licking a toilet seat has set Twitter on fire, with social media users voicing their disgust after watching the short clip.

The video was posted by Twitter user 'Grimiestt', a sex worker based in Brooklyn, New York, who also posts x-rated content on social media.

It shows the person, who is genderfluid, meaning they identify as neither man or woman, bent over a toilet in an airplane cubicle, licking the seat.

The person, who describes themself as a sex worker, posted the video on Twitter, and it has since been viewed more than six million times, and shared by thousands

Explicit: The Twitter used claimed to have licked 'a lotta toilets in my day' in their caption

Written across the screen are the words: 'Lickin the airplane toilet bc I'm gross like that [sic].'

Upon posting the video on Twitter, they captioned the video: I’ve licked a lotta toilets in my day but this was the first that made my tongue go numb', followed by a series of emojis.

The video had been shared more than 7,400 times, and seen by millions, with most viewers expressing incredulity and disgust.

One person replied: 'It’s numb because you just contracted 1200 diseases at once', while another simply said 'I'm deeply concerned.'

The video was posted by Twitter user 'Grimiestt', a sex worker based in Brooklyn, New York

Going viral: One of the many Twitter users who expressed their incredulity after seeing the video was actress Jameela Jamil

Surprise: The person appears to be taking their new-found fame in their stride

'I can’t believe what I see on this app sometimes. That’s enough twitter for today. Bye,' another person tweeted.

Among those who could not believe their eyes were The Good Place-actress Jameela Jamil, who simply commented: 'What...is...this...?'

'Grimiestt' responded to the British actress themself, writing: 'a sex worker, working'.

The person later added in another tweet that they 'believe Twitter made me famous for licking a toilet.'