sicko

1. (chiefly derogatory, slang) A person with unpleasant tastes, views or habits.Examples: "1986 June 9, David Denby, Movies: Poison, New York, page 130, But in fact, the murders have been committed by an army of sickos, a phalanx of wild-eyed droolers led by a monster goon with a concrete jaw and a Neanderthal brow."; "1997, Shannon Bell, Chapter 5: On ne peut pas voir l′image [The image cannot be seen], Brenda Cossman, Shannon Bell, Lise Gotell, Becki L. Ross, Bad Attitude/s on Trial: Pornography, Feminism, and the Butler Decision, page 231, We can′t say that it is our responses of horror and revulsion that are upsetting to the youth; therefore, those attracted to them are deviants, sickos, who should be cured/punished like the homosexuals of the forties and fifties."; "The conservative Boston Herald, which had earlier described the revelations about Barney′s two-year relationship with a male prostitute as “one of the most tawdry episodes in modern Massachusetts politics” and had run a story by the columnist Howie Carr calling Frank “a sicko who happens to be a pol,” urged him to resign his house seat."Synonyms: weirdoderogatoryslang

2. (slang, chiefly derogatory) A mentally ill person.Examples: "So come on, doc, precisely which kind of sicko is America? You might plump for depressed (isolationist), psychopathic (lack of empathy) or even psychotic (barking mad - what P.G. Wodehouse referred to as "thinking you're a poached egg")."; "You're a gambler, huh? A sicko like Essay?"; "It was at this time that the lesbian "sicko" became the dominant image of the woman who loved other women and curing lesbians on the couch became a big business in America."derogatoryslang