lay up

Like a throw up, Lay ups, or lays, are graffiti consisting of 2+ colors in a bubble or stretched format on freight cars/the infamous NYC Subway/Transit System. Burning and bombing can both be associated with laying up, since a burner may lay a work from top to bottom, wall to wall (Top of the car to bottom, left side of the face to right), and then a bomber may lay up OVER the burner's work-- May also be called L'in or L'ed Famous Layup/Throwie Artists from NYC include Tracy 168, MIN, SEEN, SKEME, etc.