1. You only live once! (used especially to rationalize impulsive or reckless behavior): I bought those expensive shoes I've been eying—YOLO!
verb (used without object)
  1. to engage in impulsive or reckless behavior with this sort of rationalization: We’ve been YOLOing all night.

Origin of YOLO

First recorded in 1995–2000; but popularized by the Canadian rapper Drake in his song “The Motto”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for yolo

Contemporary Examples of yolo

Historical Examples of yolo