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1. The array of positive emotions experienced while one is performing acts only justifiable by the lifestyle choice described by the phrase "You Only Live Once (YOLO)".

2. A constant chain of YOLO-style acts. Normally results in legal punishment of some kind.
(After getting arrested) "Dude, we just got off the YOLO-Coaster. Damnit."
by Turtletackle June 20, 2012