Alcoholarexic 

Someone who replaces food with alcohol.

I’m an alcoholarexic. I can easily drink all night instead of eating. I get all my calories from alcohol.

Alcoholarexic by M1ckeylove January 18, 2018

alcoholrexia 

to forgo the consumption of food to provide more calories for alcohol

i have alcoholrexia, i did not eat all day so i can go out tonight and drink all night and still maintain the same level of fatness

alcoholrexia by cana9733 November 18, 2010