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Here's the thing about Twitter: it takes all of 30 seconds to ignite a war of words in 140 characters or less, and the firestorm that blew up between Patrick Carney of The Black Keys and Justin Bieber last year is apparently burning strong.

To recap the drama to date: Carney made a scathing comment about Justin Bieber's Grammy snub last February; Bieber snapped back on Twitter by saying that Carney should be "slapped around" for the diss. Beliebers everywhere wanted Carney's head on a metaphorical plate, or at least that's the intensity with which they took to social media to express their outrage over the incident. Carney changed his name on Twitter to Justin Bieber. Beliebers continued to get really mad. Bieber and The Black Keys went about their lives, returned to the studio and toured extensively over the course of 2013. No one got slapped around. End scene, or so we thought.

Now, Carney is fanning the flames of Bieber's scorn once more in a new interview with Rolling Stone. "Justin Bieber, like a f--king irresponsible asshole, sicced 40 million Twitter followers on me because I paid him a compliment he didn't understand," he told RS. "I'm saying that he should be grateful that he has a f--king career in music. And he shouldn't be f--king telling his followers to slap me, and then also be doing anti-bullying bulls--t. It's so irresponsible."

Carney's got a point. His tirade continues: "I mean, Justin Bieber is a f--king moron ... And that's the gist of what I was saying. And then he goes and says I should be slapped? Honestly, I feel bad for him. Every single person who works with him should f--king be embarrassed that they don't ... No one is doing him any favors, you know? And honestly, I don't dislike his music. I don't listen to his music, but he needs to not conduct himself that way. Like, really, you make millions of dollars playing music, you should feel f--king lucky."

It cuts deeper than bullying behavior for Carney, though. "If you're a 34-year-old f--king loser like me, and you go on Justin Bieber's Twitter account like a total pervert every time that he gets in trouble, you should look at his tweets the next day. It's always like, 'I love you guys so much, always believe, never stop believing.' He's feeding them the Kool-Aid more and more ... He pours it on heavy, though. It's so manipulative! And whoever taught him that that was OK, whoever's watching him and is like 'that manipulation is acceptable,' should be really ashamed of themselves."

YOWCH. Bieber has yet to Tweet about Carney's comments, but he has posted a photo of a sleeping Soulja Boy, so it's not like he's shying away from the internet. We'll keep you posted as the Bieber-vs.-Black-Keys plot thickens.