Your Momma took to shouting
Your Poppa's gone to war,
Your sister's in the streets
Your brother's in the bar.
The thirteens. Right On.
Your cousin's taking smack
Your Uncle's in the joint,
Your buddy's in the gutter
Shooting for his point
The thirteens. Right on.
And you, you make me sorry
The person’s friend in this story has been down in the gutter. This means they are either having a rough situation or are having to struggling with depression. 

The Thirteens Black