This page is about the slang term sicko
a deranged or perverted person
- For a moment I thought there was some sicko with a knife behind me, but it turned out to be my boyfriend sticking his finger in my back.
- Did you see the photos of what those sicko prison guards at Abu Ghraib did?
The word sicko is normally a noun but can be used as an adjective.
People are called "sickos" if they are
Contributor: Matt Errey