1) just another text smiley.
synonym. :) (happy) or ^_^ (cute)
antonym. u_u (sleeping)
2) two lowercase "n" separated by an underscore.
3) can be used as a general reply or a comment signature.
stranger: hi ctc?
stranger: wer r u fr?
stranger: r u stil der?
*ren_new just signed out.*
A sheepish grin, with an apostrophe representing the anime sweat-drop.
Person 1: Who ate my piece of cake?! I was saving it!
Person 2: Well, funny story n_n'...
is K-chans face that bugs Tarwedge :D
It shows yor are happy trying to bug the guy you love -HEART-
K-chan: don't make me do the n_n face on you
Tarwedge: GAH NO!