When you are going to do something stupid that will affect the rest of your life(or lack thereof)
Steve: Hey have you finished preparing for the final exam?
Spencer: Nahh, I'm just gonna yolo this. YOLOOOO!
In Kpop It Means You Only Love Oppa
Fan 1: Yolo Yolo Yolo Yah!!!!
Fan 2: Ovi
Fan 1: What u talking about bish
Fan 2: You only love oppas
possibly the most annoying fade on earth it means "YoU OnLy LiVe OnCe"
Herald: i just visited the grand canyon
Mike: why
Herald: YOLO
yk wa im sayin like u high and crazy u use it or when you just wana try some thing new out
homie-" i dont think we should pee on a cop bro"
me-"is fine ima just yolo it"