When rappers and pop stars collide, you know something cool is bound to happen. After Justin Bieber enlisted rappers Mac Miller, Asher Roth and 2 Chainz for his “Boyfriend (Remix),” Chainz decided to give him a new moniker. In this interview with MTV News backstage at the Summer Jam concert, he gives Biebs a name that will probably stick around hip-hop circles. “I call him Lil Swaggy,” he said.

In the video, the ATL rapper also mentions of a time when they first met, he didn't even recognize him. It was probably because he was so swagged out. "I saw him and when I saw him, I didn't even know it was him, I didn't even recognize him. He had grown up a lot from me seeing him on TV," Chainz said.

Also check out the details on working with Bieber on the “Boyfriend Remix,” which helped Chainz gain 40,000 new followers for “messin' with that boy."

[via MTV]