look up any word, like fuck boy:
 
1.
A term used to show what you have just posted is to be read aloud in a sarcastic tone. Comes from javascript or whatever it's called.
Yes, because you're the only one who knows how this shit works, aren't you /sarcasm
by Gumba Gumba April 05, 2004
 
2.
It means you're ending what you said sarcastically.
Jeffree Star is obviously the most gorgeous woman ever. /sarcasm]

which means:
Jeffree Star is obviously the most gorgeous woman ever. -end sarcasm-
by Nicole. October 06, 2006
 
3.
Usually used in message boards to denote that the statement you have just posted has a sarcastic tone. Comes from HTML code.
Wow, you are the best because you have a high post count./sarcasm
by Porn-O's June 04, 2006