A song can only be defined as a 'Banger' if it induces bottom lip biting or leaves the listener dumbfounded.
When something or someone is so awesome or cool, words cannot describe how great it is.
Patrick Mahomes is banger.
This jacket is banger.
My new car is banger.
A term used by someone, usually male, to describe someone the would like to bang.
Mate, she's a right banger.,look at her hoop.
A badass party where people who aren't hosting the party can invite whoever they want. It often involves a lot of alcohol, and the parties are often held through a house or large venue that doesn't necessarily belong to the host.
"I'm going to Nina's banger tonight, so I have to bring as much booze as possible."
"Someone snitched and called the police to break up the banger last night."