Leet speak for flipping someone off. The commas translate as the fingers and the l is the middle finger. Usually used in gaming environments or IMs.

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.

An emoticon for "fuck you" using both middle fingers.