anti-rexic 

celebrities like Beyonce who put on weight to counteract dangerously skinny celebreties like the pussy cat dolls, and encourage people to keep a healthy weight and not become anorexic.

Beyonce is so anti-rexic and an inspiration to the community.

anti-rexic by squishbix June 20, 2009

antirexia 

A condition where a large person thinks they are thin.

That chubby girl wearing the stretch pants and half shirt suffers from antirexia.

antirexia by laughing girl October 30, 2006

antirexia 

Opposite of anorexia, a condition that makes you outstandingly thin.

Person 1: Yo that guy looks like he got antirexia
Person 2: Yeah, but you gotta give loves to the tubbies tho.

Person 1: 'Tis true.

antirexia by dumbbrickxd December 12, 2018