a person who is addicted to tanning. They usually can be easily spotted as they have unusually tan skin for their race.
"I hope you get skin cancer you tanenerexic bitch"
A condition, common among middle and highschool girls, presents itself as a vile orange fake tan. Spray on tan, tanning booth, all are ways of contracting Tanerexia. It is nearing epidemic status at MKA...
It can also be used as a noun, to describe one who has Tanerexia.
Other forms of calling someone a tanerexic are - Orange Bob (those Tanerexics who also have orange hair) and Tanaholic, a slightly more polite version.
Jill is such a frigging tanerexic. She could hide in a bucket of oranges!