EMOTE :

Usage: ^gEMOTE <string>
       :<string>^n

Show people what you're feeling.  The shorthand is ":".

It will display your name, then the string.  For example,
if your name is "Root":

^c< 10P 10M > emote is feeling very sad today.^n

will display:

Root is feeling very sad today.

^WSee Also: SOCIALS^n