The Definition
It is basically just a cooler, more enthusiastic, and informal way of saying "nice." It's pronounced with an exaggerated 'oi' sound to show you're super impressed or happy about something.
Usage in a Sentence
"Person 1: I got a free Pizza today from the store. Person 2: Noice"
Origin & Background
The term "Noice" rose to popularity among From Community as a way to express specific sentiment in online and physical spaces.