An internet smiley used in chats and on forums to symbolize that something, or someone, is a loser. The capital L resembles one making a capital L on their forehead.

"literally" smiling as opposed to the way over-used :) For years people have been smiling into the ether without meaning using the traditional :) however, if you add L to the front it denotes your "literal" emotion as smiling!

rolling heads

Lots of Love. To avoid confusion with lol, uses same structure where "1/10" refers to "1 of 10", such as for numbering pages.

Blunt for blunt

Another retarded ass variation of lol, kids say it because they think it makes them look cool, when in reality they just want their dad's dick up their ass. It just shows the de-evolution of the human species into a idiotic gay sex orgy that we will all become unless we sterilize most of the world and start over with less faggots and retards.

Leg to Lines ratio.

Applies to both women and men. Identifies the ratio of lines caused my muscle definition in ones' legs to the size of their legs.