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  (Photo: Reuters / Joshua Roberts)
  Real estate mogul Donald Trump speaks at the Faith and Freedom Coalition in Washington June 3, 2011. Republican White House hopefuls courted Christian conservative voters on Friday at the conference where U.S. economic concerns shared the stage with social issues that dominate the evangelical agenda.

Donald Trump is not happy that his name has inspired a rap song and is threatening to sue 21-year-old Mac Miller for creating a tune using his likeness.

Miller's song "Donald Trump" has garnered over 75 million views on YouTube, prompting the 66-year-old real estate tycoon to speak out against the rapper on Twitter.

"Little @MacMiller, I'm now going to teach you a big boy lesson about lawsuits and finance. You ungrateful dog!" Donald Trump tweeted.

Trump's tweet seemed to follow Complex magazine owner Mark Ecko's naming Miller the publication's man of the year. In a video interview with the publication, Miller voiced his displeasure with Trump in a profanity-laden rant.

"I (expletive) hate Donald Trump. When he started running for president I was like, 'Oh, (expletive)-this is horrible, I have a (expletive) song with this dude's name and now he's being such a (expletive)," Miller said in the video interview for Complex magazine. "The thing that bothers me the most is that he always says things like, '75 million views on the song 'Donald Trump,' Mac Miller you're welcome. I could've said, 'Take over the world when I'm on my Bill Gates (expletive).' It doesn't matter. That (expletive) just pisses me off."

After hearing about Miller's recent statement, Trump had a few more words for the rapper.

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"See ungrateful Little @MacMiller's statement to me a year ago- he was kissing my (expletive)," Trump tweeted. "Little @MacMiller, you illegally used my name for your song 'Donald Trump' which now has over 75 million hits. Little @MacMiller-I have more hair than you do and there's a slight age difference."

Various people who witnessed the exchange took to Twitter to offer their reactions.

Some people disagreed with the way that Trump decided to voice his issues with Miller.

"By tweeting it in a public forum Mr. Trump is only going to bring MORE views," the person tweeted. "Why not contact him privately?"

Another person challenged Trump's tweets by writing, "Donald, you illegally used Mac's name in your tweet, which now has at least 131 RTs."