drapetomania
Noun
Meaning
The desire of slaves to run away, viewed as a mental illness.
(dated) an overwhelming urge to run away (from home, a bad situation, responsibility, etc.)
Source: en.wiktionary.orgExamples
Szasz cited drapetomania as an example of a behavior that many in society did not approve of, being labeled and widely cited as a disease.
Today, drapetomania is considered an example of pseudoscience, and part of the edifice of scientific racism.