Rapper Curtis Jackson broke onto the music scene as 50 Cent back in 2003, but before long, people started calling him Fiddy. And you'll never guess who started the new nickname.
He also offered his take on fellow Queens native Donald Trump, and taught Colbert how to beef with other talk show hosts — even though Stephen objected to the crash course. "I don't want Fallon to bust a cap in my ass," he said. Check it out above.