Meaning of the word sicko in English

What does sicko mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sicko

US /ˈsɪk.oʊ/
UK /ˈsɪk.əʊ/

Noun

a person who is mentally ill or has a perverted mind (informal, derogatory)

Example:
He's a real sicko for enjoying those horror movies so much.
Only a sicko would do something like that.