Found this from a vet university
Snakes vomit for the same reasons other animals do—including nerves. Hairballs happen when fur gets built up in their gastrointestinal tract, setting off receptors that tell the brain to vomit, says Mark Rondeau of the University of Pennsylvania College of Veterinary Medicine.25 Jan 2020
So seems can happen on ocasion if it builds up and can’t pass correctly
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