Tattoos have become more popular, and more socially accepted, over the years.
Sometimes, people get inked up just because they think they look cool. Others get them as a form of self-expression or to commemorate life experiences.
Then there are those that get tattoos for reasons that most will never understand or that are just plain stupid.
While it is a proven scientific fact that tattoos make you 493 percent tougher if you compete in MMA, there are people whose tattoos just make you say, "What were they thinking?"
I now present to you the worst of the worst tattoos in MMA.