Mama said knock you out...And he did back in the day!

Way back before he became a superstar rapper and actor, LL Cool J played one of his first shows on June 21, 1985, at Colby College in Waterville, just 5 short months before his first album 'Radio' was released.

Check out the performance that features some sweet beat boxing and break dancing

LL Cool J vividly remembers his visit to Waterville, he told Stephen Colbert that he had to had to explain to the audience what hip-hop was! Oh, how the times have changed.