Since 50 Cent joined Twitter in August, he's been causing quite a ruckus on the Internet. Earlier this month, the rapper took his brazen jokes a bit too far when he retaliated against gossip blogger Perez Hilton on the social networking site. As a result, it led the Gay & Lesbian Alliance Against Defamation (GLAAD) to mount a campaign against him.

Never one to bite his tongue, 50 lashed out at Hilton after the openly gay celebrity had some choice words for him. The rapper-turned-actor responded, tweeting, "Perez hilton calld me douchebag so I had my homie shoot up a gay wedding ... " To accompany the tweet, the G-Unit CEO posted a photo of two men running away from an angry mob.

The post angered GLAAD officials, who felt the Queens rhymer needed to do more than just delete his words. "It's wrong to make jokes and promote violence against the gay community," said GLAAD spokesman Rich Ferraro. "Taking down the post is not enough. We wanted him to tell his Twitter followers that what he did was wrong."

Fifty has failed to reach out to Ferraro or make comments surrounding the controversy. However, Perez, born Mario Lavandeira, voiced his opinion on the matter. In an interview with Entertainment Weekly, he revealed his sentiments about the offensive tweet. "Joking about violence is not funny," Hilton said. "50 Cent should stick to what he does best, rapping, and leave the funny business to comedians."

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