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1.
the act of doing something exciting, stupid, or just anything someone feels like saying YOLO before they do it.
-Jake: "Hey Drake, are you gonna drink tonight?"

Drake: "Hell yeah, hell yeah, hell yeah!"

Jake: "You're our ride home!"

Drake: "YOLO!"

Jake: "This is not a good time for YOLOing! You need to drive us home."
by Wilb11 May 22, 2012
 
2.
Making the letters YOLO with your arms, often at a place where it will not be appreciated.
The teacher sent me out of the class cause I was yoloing at her face.
by wisekidmyass November 12, 2013
 
3.
Refers to the act of young white males that are going HAM in that club. YOLOing can mean dancing like crazy, fist pumping, jumping, shouting, and looking like a tool simultaneously. Many times the boys are rolling on MDMA and/or very intoxicated.
"Did you see those guys going hard at The Guvernment on Canada Day?"

"Yeah, they were totally YOLOing."
by Sydney Blu July 18, 2012
 
4.
Yoloing, comes from the word YOLO which is an acronym meaning You Only Live Once which defines a stand up paddle board company which goes under the name YOLO. The act of stand up paddle boarding is commonly referred in the south as "Yoloing"
Tim: Hey Troy what are you doing tomorrow after work?

Troy: Yoloing, you want to come with? I have an extra board.

Tim: ? whats that ?

Troy: Stand up Paddle Boarding Duh!
by Kal Varsen May 20, 2010