Are you ready to see the sexiest pin up girl tattoos the world has ever seen? Everything You Need to Know One of the oldest, most recognizable tattoo designs is that of the pin up girl. The pin up is a woman you find so alluring that you just want to pin her picture to the wall so you can see her all the time. Traditional pin up girl tattoo art features a beautiful woman, usually sitting or lying down, with a come hither seductive look upon her face. These tattoos have been around almost as long as tattooing has been an art.