A term used in place of 'Lol', or 'Laugh Out Loud', in either internet forums or other instances of conversational written communication to express a genuine feeling of mirth or laughter being that the term Lol has become so overused that its meaning has been lost.
The term originated during a thread posted on Help.com.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi