Is Sicko a Real Word?

Sicko is a common and forceful insult for someone considered morally or mentally disturbed, from silly memes to condemnatory tabloid tweets. Sicko can be used earnestly or ironically. Using sicko for someone with mental health issues, however, stigmatizes mental illness and is considered offensive.

What does it mean to be sicko?

: a person who is mentally or morally sick.

Is Sicko a valid scrabble word?

Yes, sicko is in the scrabble dictionary.