A fork of Rural Dictionary
To be near, almost. Nigh impossible mean almost impossible or near impossible.
Sometimes it is nigh impossible for a person to convince a proud parent that their beloved offspring was a complete idiot.
A zombie like monster that people often encounter in dreams.
The nighs are coming! Run dream people!
Means pretty much anything you want it to. Able to say whenever needed.
What the MA NIGH are we gonna do tonight? That sounds like a bunch of MA NIGH to me.