Who wants to eat something that eats worms anyway?
- Hobbes, from Calvin and Hobbes,
after he and Calvin had given up on a fishing trip.
The Nausea Fuel
counterpart to Guilt By Association
, this refers to regarding something as disgusting for where it has been and/or where it comes from, sometimes in spite of logical/scientific reasons why this shouldn't make it disgusting.
EDIT: Bumping after a couple months to see how this fares now...
- Subverted in C. S. Lewis' first post-conversion novel, The Pilgrim's Regress. The hero, John, is captive and his jailer tries to associate milk and pee, and John calls him out on it.
- Isaac Asimov
- In Prelude to Foundation Hari Seldon visits a section of Trantor renowned for their food production (and their hostility to outsiders). He assumes that they use fertilizer - aka manure, i.e., shit - to grow their yeast crops, but not only is that not true, they think the very idea is disgusting.
- In his short story Strikebreaker, the Ragusnik family operates the planet of Elsevere's waste processing facility, and over the generations, the Ragusniks have become a one-family caste of untouchables, forbidden all contact with the rest of the colony.
- In olden days Native Americans were disgusted by the European explorers/colonizers' propensity to drink animal milk. The Native Americans were of the opinion that animal milk is a form of excrement - they were basically drinking piss.
- In many real-life cultures, it is rude to pick up anything with your left hand, most especially when eating or being given something. Why? Because custom dictates that that is the hand you wipe your ass with. This started as a hygenic precaution centuries ago, and persists despite ready access to soap, water, and toilet paper in the modern day.