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
by Jake April 22, 2005
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About 70% of the people on this site!
A lot of the people who give definitions to this site are sickos.
by strong badian March 13, 2004
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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!
by entivore October 6, 2003
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one who is perverse, mentally retarded, a psychopath and just plain weird.
stop staring at my boobies you sicko.
by DBZ fan May 10, 2005
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Sicko meaning, crazy, insane, wicked, cool
Man, This party is gonna be sicko!
by Vanessa_7777 August 4, 2007
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Michael Moore's next movie. It will be a attack on health care, from what I've heard.
by fire pillar December 29, 2005
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A man aged over 18 attempting to seduce a vulnerable 15 year old overexcited at sneaking into a venue serving alcohol.
An Adult hitting on a 15 year old girl, what a "sicko"
by frothies May 16, 2011
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