This webpage is about the slang phrase sicko
a deranged or perverted individual
- For a instant I assumed there was some sicko with a knife guiding me, but it turned out to be my boyfriend sticking his finger in my again.
- Did you see the pics of what those sicko prison guards at Abu Ghraib did?
The phrase sicko is ordinarily a noun but can be employed as an adjective.
See Slang of the Day right now