Definitions by neoma82

Cynosaurus Ex 

A particularly unattractive ex girlfriend or boyfriend who insists on hanging around you and making themselves the center of your attention. The etymological root word is "Cynosure", an object at the focal point of attention.

"I wish she'd just leave me alone, but she's like a Cynosaurus Ex or something"

Cynosaurus Ex by neoma82 April 21, 2010