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Awesome to an extreme level, thereby leveraging unquestionable authority. Basically a badass... this person is really cool. The best, greatest of all time.

The highest rank of cool to describe a person(s). Everyone looks up to them and wants to get with them. They do not discriminate. THEY DOMINATE.

Someone good-looking, charming, and possess an attractive aura to attract girls.

"This is the best ever!"
"I know, its so ShaneO!"

Girl: OH. MY. GOD. Who is that breath-taking beauty?
Guy: ShaneO.
Girl: (sighs)
Guy: (sighs)

ShaneO: "Damn it feels good to be a gangsta"
by s.p.o. November 10, 2008
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An old fashioned term related to the act of homosexual anal sex. Circa 1980s.
Patrick the faggot got some shaneo last night from his roommate.
by Skykat April 26, 2004
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A person who would love more then anything to get down on his knees and swallow a mouth full of azzablues
whoa dude shuda seen it that chick at the party was giving this dude a shane-o , what a whore !
by OnYaKneesB1tch March 29, 2008
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Hey Shaneo, has anyone told you that you look just like Enrique Iglesias? Of course not, youre much cuter.
by Mac d o double gizzle April 12, 2017
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