pronunciation "NYE-fi". Science fiction that focuses on dark consequences of the near-term future. Etymology: "the end is nigh" + "sci-fi"
Black Mirror is a great example of contemporary nigh-fi drama.
When something horribly wrong is going to happen because someone was incredibly stupid
DUDE! WAKE UP! SHE WON'T GO OUT WITH YOU! REALITY IS NIGH!!!
A word of demand
Another word for sleep
You: GO NIGH-NIGH
Friend: Fine.
You: Nigh-Nigh :}