https://animals.howstuffworks.com/animal-facts/can-snakes-really-come-up-toilet-pipe.htm
The Texas Toilet Snake https://www.youtube.com/watch?v=DJZu1AvU2ns
What if there was an ET hammerhead shit snake that either wants to go down your throat or up your....?
https://alienanthology.fandom.com/wiki/Hammerpede It can just as easily set up its nest in the intestines as in the stomach. https://www.youtube.com/watch?v=lyUd7hziOvE
There are all sorts of monsters just looking to turn someone into a food-nest. https://www.avpgalaxy.net/alien-movies/prometheus/creatures
http://alienexplorations.blogspot.com/2012/02/biological-entity-with-t-shaped-head.html
https://monsterlegacy.net/2013/03/04/prometheus-trilobite-deacon-hammerpede-alien/
https://www.moviefone.com/2017/05/16/alien-ridley-scott-facts/
PROMETHEUS (2012) Everything Explained https://www.youtube.com/watch?v=hmRTrRxJ328
Watching Monsters_Inside_Me might help a lot of people with constipation or simply cause them to vomit. https://www.animalplanet.com/tv-shows/monsters-inside-me
https://en.wikipedia.org/wiki/Octaman If this gets a hold of you it will do more than dance.
https://en.wikipedia.org/wiki/Tentacles_(film) , https://www.youtube.com/watch?v=h3pIiuHQ2Sc
https://www.youtube.com/watch?v=VcfAYywAVW8
https://gfycat.com/acrobaticscrawnybarnacle
https:
//en.wikipedia.org/wiki/Sssssss#Plot ,
https://www.youtube.com/watch?v=uOkQ_-XtwlA ,
https://www.imdb.com/title/tt0070622/mediaviewer/rm3388487168https://en.wikipedia.org/wiki/Dreamscape_(1984_film) The snake-man is a pretty freaky creature.
https://en.wikipedia.org/wiki/Deep_Rising#Plot , https://www.youtube.com/watch?v=0GDcC_zo-W4
https://non-aliencreatures.fandom.com/wiki/Octalus , https://www.youtube.com/watch?v=oJVrEduXwSM
If this monster doesn't scare it out of you, that doesn't matter, because you still become its supper.
Two more soggy monster movies.
https://en.wikipedia.org/wiki/DeepStar_Six#Plot Of course monsters can be BIG or small. https://en.wikipedia.org/wiki/Leviathan_(1989_film)#Plot
A much more recent version of the underwater beast.
https://en.wikipedia.org/wiki/Underwater_(film)#Plot , https://www.imdb.com/title/tt5774060/mediaviewer/rm1518840321 , https://www.imdb.com/title/tt5774060/mediaviewer/rm2894572033
The mutant snake monster in Prometheus. https://screenrant.com/prometheus-deleted-scenes-blu-ray
The Hammerpede came as a result from LV-223's worms and contact with the Mutant Life Accelerant. https://www.youtube.com/watch?v=lyUd7hziOvE
https://www.alien-covenant.com/topic/23988 That mutant snake could nest in the stomach or the intestines but then, it would become a, SHIT SNAKE.
https://alienanthology.fandom.com/wiki/Hammerpede One way or another, this monster will help you shit!
https://fusionanomaly.net/toilets.html
https://thedigitallabyrinth.blogspot.com/search?q=toilet+snake