He's saying that he is in a bar, drunk and itching for a fight and egging the crazy fucker on by talking shit at him [Bleeding fortified wine out of the injury that I call my mouth; Trying to insult some crazy fucker from the south].
He's waiting for the fight, wanting it, because it will bring "white noise" - it will drown out everything else, including his thoughts, memories and his own voice in his head: the "stupid screaming little half-assed middle-class boy".
He begs the arrow [the crazy fucker's fist maybe] to find him, to 'come pick him out'.
Here's what I think:
He's saying that he is in a bar, drunk and itching for a fight and egging the crazy fucker on by talking shit at him [Bleeding fortified wine out of the injury that I call my mouth; Trying to insult some crazy fucker from the south].
He's waiting for the fight, wanting it, because it will bring "white noise" - it will drown out everything else, including his thoughts, memories and his own voice in his head: the "stupid screaming little half-assed middle-class boy".
He begs the arrow [the crazy fucker's fist maybe] to find him, to 'come pick him out'.