YOLO may refer to any of the following:
1. In general, YOLO is an acronym for "you only live once," that has become a popular way of expressing that a person should enjoy their life, even if that means taking risks. The phrase and acronym are both used in youth music and culture, and have been criticized for glamorizing reckless behavior.
2. In computer gaming, YOLO or YOLO'ing means to enter a dangerous or difficult situation without much planning or regard for the outcome this action. For example, trying to take on too many players in a game at the same time.