Sick-o originated at or was at least popularized in Oakville, Canada. It's variations include sick-ass. It has the same meaning as sick, only slightly better.
Yo man, that concert was sick-o!
Cheerleading is sick-o!
About 70% of the people on this site!
A lot of the people who give definitions to this site are sickos.
A person that has mental problems. A person that is sick or has a polluted mind.
Dude THAT guy is a sickoo. He just makes mom jokes all the time trying to be cool in front of his friends. =O
1: A person who is mentally ill (sick)
2: An insult used against anyone with unusual or offensive views.
How can you defend a pedophile you sicko!
one who is perverse, mentally retarded, a psychopath and just plain weird.
stop staring at my boobies you sicko.
Michael Moore's next movie. It will be a attack on health care, from what I've heard.
Probably coming out sometime in 2006
Sicko meaning, crazy, insane, wicked, cool
Man, This party is gonna be sicko!
A sick bastard, a sick freak. A sicko engages in sick activities and says sick things.
Adam, he is such a sick fuck. And Britney Spears. She is a sicko, for real.