Lolol

[Rihanna]

adds emphasis to the standard lol.

[Sarah]

Laugh out loud out loud.
Similar to lol, but doesnt make sense.

[Jessica]

A variation of [lol]. Other variations include more ol. Used to represent lots of laughter, the more ol, the funnier. Often looked down on by big headed people who take internet chat rooms and iRC too seriously. People often belittle those who use this and its variations because they have a superiority complex.

[PussyCat]

An island of southeast Greece in the Dodecanese Islands of the Aegean Sea. Saint John was exiled to the island c. A.D. 95 and according to tradition wrote the Book of Revelation here.

[Justin Bieber]

Lots Of LOL
Its just taking the now tired expression LOL to the next level, something I think we could all live with.