leaving someone in an undesirable situation and letting him fend for himself
A: "Oh, shit, the cops just pulled up. We gotta go tell Josh."
B: "Nah, fuck that shit, man. Josh is a bitch. Let's just training day the motherfucker and get the hell out of here."
X: "Dude, you know that girl who stood me up last month?"
Y: "Yeah, what about her?"
X: "I just gave her the wrong address to my house. Bitch is gonna knock on some random door and get training day'd as fuck, man. hahaha"