Your buddy that will succumb to only the slightest amount of peer pressure due to the overwhelming belief in the mantra YOLO (You Only Live Once). This buddy usually gets into very precarious situations due to overconfidence that commonly end in negative results. Yolo Bros behave much like Gremlins; only it's booze that will entice them after midnight, as apposed to food in the case of Gremlins.
Professor: What happened to Skindogg after I left the bar last night?
Knuts: Oh man, he turned into a Yolo Bro right before last call and ended up pissing his bed again.
by BootBanger November 17, 2011
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a yolo moment is when you do something with out thinking twice about it.
Sarah's list of yolo moments
- running across a road without looking for traffic

- uploading a picture you didn't stare at for half an hour trying to find the flaws
- doing something stupid
- yoloing
by i like boys who play fender November 17, 2014
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A way for douche-bags to defend their dumbass decisions.
Example 1: Dude, fuck bitches get money and shit because YOLO!

Example 2: Bro, Imma post on facebook that Tammy gave me dome because YOLO!

Emaple 3: I Say What I Want Because YOLO!
by Supahpanda May 30, 2012
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Intercourse preformed under no consideration of any possible consequences (usually preformed by males)

Overweight

Unattractive
Ex's

Married
Best friends
Best friends partner

(one does not have to shout Yolo before, during, or after for it to be considered Yolo sex. One must simply just not care)
Example 1
Jim: Dude wtf that was my girlfriend

Jerry: my bad she wanted it
Jim: imma beat your ass
Jerry: worth it

Example 2
Todd: dude you were so drunk you fucked a fat chick
Dave: I know man, last night I didn't give a duck
Todd: that's some yolo sex right there
by thesexanator December 9, 2013
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The Summer of 2013, where we live fast, die young and spend entire nights dancing naked on MDMA. Because YOLO.
Kieran: Adventure time/Skinny dip/Race you to the end?
Jenna: Heck yes! It's the Summer of YOLO!
by Captain Awesome 2013 January 10, 2013
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You only live once - unless your a Buddest. Created by Russell Howard and Jonathan Ross.
I hate YOLO, it's so dismissive it should be YOLO - UYAB.
by KindGirl January 2, 2013
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