The Zac Efron Yolo tattoo caught Tokyo fans by surprise when he showcased it in 2011. The meaning behind it is, "You only live once." It's a very small tattoo in green ink that's located on the side of his right hand. In the photo below, you can tell from his "hand gestures" that he's trying to flash his tattoo. Some people love it while others think it's a bit of a cliche. What do you think?
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