Definitions by _OMFG_

-.-凸 

-.- is the facial expression of being annoyed.

凸is a Chinese symbol that outlines the shape of the middle finger

The whole thing means
1) flipping somebody off when you feel annoyed
2) fuck off

Person A: WOW you've grown so fat since I last saw you (three days ago)! What have you done to yourself??
Person B: -.-凸

-.-凸 by _OMFG_ April 28, 2010