Eminem and Lil Wayne toss lyrical salvos on their Recovery  collaboration, "No Love," which arrived online, leaked to the Web with the rest of Em's album.

Just Blaze produced the angst-ridden number, which, somewhat surprisingly, samples the Haddaway dance track "What Is Love?" better known as the theme for the "Night at the Roxbury" sketches on "Saturday Night Live" than for its rap cred. On the menacing track, though, Wayne and Em swap tough-guy rhymes.

"They call me a freak because I like to spit on these p-----s before I eat them," Em raps on the second verse. "Get these wack co------ers offstage/ Where's Kanye when you need him?"

Later on the track, Em croons in a sing-song flow on the chorus: "It's a little too late to say that you're sorry now/ You kicked me when I was down/ But what you say ... don't hurt me.

The track marks the first time the two have specifically traded rhymes as a pair on one track. On Drake's "Forever," the two guest MCs were joined by Kanye West. And although Em and Wayne appeared together on "Drop the World," off the Young Money star's rock-leaning effort, Rebirth, Wayne wasn't rapping as much as singing (aided by Auto-Tune).

While traveling overseas recently, Eminem had high praise for his collaborator. The duo have long admired each other, and Wayne campaigned for years to join the Detroit MC on a track. "I've always respected what Wayne does, and Wayne, to me, is definitely one of the greatest in the game right now," Em said.