this person is called this way because she's unique. Anything that she creates is U N I Q U E and worth too much. Take care of this person because she's really rare to find ever.
Picasso underpants can only be achieved by a nocturnal emission (aka a wet dream) that is so powerful that in turn also makes one shit themselves. The proper canvas is a set of tighty whiteys that will contain and allow the mixing of these two bodily excretions throughout the night while one tosses and turns. Thus giving one a fresh new piece of art to hang once dried and turned inside out. Best displayed in a garbage can unless your some sick fuck. (See Two Girls One Cup Video)
When you are getting a blowjob and you are about to jizz you pull out of her mouth and dick slap here in the face and the jizz creates and abstract looking picture on her face.