look up any word, like trill:
 
1.
9_9
a emoticon use to express the rolling of eyes
Fanboy: DBZ IS TEH SHIZZDSKFJ! :) lol
You: 9_9
by DarkMatter October 08, 2004
 
2.
9_9
a 'smiley' that shows tiredness, extreme boredom, etc. The "eyes," (9) have bags underneath them to represent this.
Kim: I'm so over college..
John: 9_9 me too.
by Smadan W. December 09, 2012