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."
"Someone snitched and called the police to break up the banger last night."
by The OG meme queen December 10, 2017