Dingam: Yeah, I got a problem. I run rat fucks like you, okay? I don't like 'em.
Colin: The day you wouldn't take a promotion, let me know. If you'd taken care of this, I wouldn't be here.
Dingam: Fuck yourself, you piece of shit.
Colin: I need the names of your undercovers.
Dingam: Blow me. Not literally. There's no promotion involved.
Colin: Fucking prick.
Dingam is letting Colin know what he thinks of him.