Freak

A freak is a person who is physically deformed or transformed due to an extraordinary medical condition or body modification.

[1] The term's original neutral connotation became entirely negative during the 20th century; therefore, freak with its literal meaning of "abnormally developed individual" is viewed purely as a pejorative today.

[2][3] However, the term is also recently used playfully to refer to an enthusiast or obsessive person.

[4] One well-known example of this word was in reference to Joseph Merrick, the "Elephant Man.

[8] Freak is used in science to describe plants and animals with a genetic mutation.