Acronym for You Only Live Once So Eat Like A Mother Fucker. Used to rationalize any overeating decision or the decision to eat something clearly not on any prescribed healthy diet like "Everything Hash Browns" at a Denny's in San Francisco.
Woman 1 "I've never made out with 2 guys in one day before. And it felt really good and I dont care what anybody thinks and who knows when I'll ever feel that way again so I went for it!".
Woman 2 "That's awesome. You're such a YOLOsexual".
A person that has the propensity to use the acronym Y.O.L.O. (You Only Live Once) in irrelevant situations as a subconscious attempt to feel either cool, hip, younger or more attractive. Although some believe that the latter is not always true, other theorize that individuals who use the cliche phrase constantly have a deviant obsession with it to the point of fetishism. Hence the condition, Yolosexuality.
Michael: Dude, I'm thinking about getting pasta for dinner tonight but I'm not sure yet.
Often a bunch of stupid pillacks, yolosexual persons love nothing apart from their stupidity, they often do dangerous and overall stupid things, and scream yolo at the top of their voices whenever they commit these feets of stupidity, stay away from these people and their load of bollocks.
Yolosexual: I'm gonna jump off this tree cause I'm an idiot