A copycat, biter, or plagairizer. One who rips off song lyrics from another, particularly rap/hip hop lyrics. Term popularized by Harlem rapper
Cameron "Cam'ron" Giles in refrence to Brooklyn rapper
Sean "Jay-Z" Carter and his penchant for using lyrics by Notorious B.I.G.,
Tupac, Slick Rick, Rakim, and others. See the song "Swagger Jacker" by Cam'ron for more info.