Zodiac sign tattoos hold symbolic meaning as a representation of an individual's personality, values, and life path, as determined by their birthdate and corresponding astrological sign. These tattoos often serve as a personal emblem, embodying the qualities and characteristics associated with one's sign, such as Leo's courage or Scorpio's intensity. By wearing their zodiac sign on their skin, individuals can express their unique identity and connection to the celestial body that aligns with their birth.