When you're acting like a complete drunk belligerent ass and one of your friends intervenes by tackling you down, pinning you, and rubbing your face in the dirt until you admit defeat—in order to promptly correct your asshole behavior. The act of correcting a friend in this manner is the Dirty Moot.
If it wasn’t for Erik giving you a Dirty Moot, you’d of kept screaming and gotten the cops called on us.