XIII tattoos can represent many things depending on the context. Common meanings include rebellion against the status quo, taking control of one’s own destiny, and gaining strength and courage. Thirteen is also often associated with being unlucky or bad luck. For example, in some cultures it is believed that the thirteenth card in a full deck of cards is supposed to bring bad luck. In this context, the tattoo could represent the individual reclaiming their power against superstition or negativity. Additionally, this tattoo is sometimes used to represent a criminal lifestyle, as the Roman numeral for thirteen is often used as a code for the 13th letter of the alphabet – the letter ‘M’ which stands for Mafia. In this case, the tattoo could represent a sense of loyalty and respect for one’s gang. Ultimately, the meaning of the XIII tattoo is up to the discretion of the individual.