" Fo' lyfe", "For Lyfe", "Fuh Lyfe" or "Fah Lyfe". Replicates the four fingers on your right hand and the L shape on your left hand which you throw up every time you see someone.

Also, you can use it as a non-sequitur and show the sign as you stare deeply into somebody else's soul. They will not know what happened to them and over the course of the next three to six days, they will drive themselves to insanity due to the confusion which ensues from the seeing of the "For Lyfe" symbol.