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1.
An offensive name to call someone who listens to rap. People in the getto listen to it. Also preps do because they think its cool.
"Im better than you because i listen to rap" Shut up you Rap Daddy
by Sugarrays123 July 23, 2009
 
2.
A person, may be male of female that listens to rap music either constantly or very loudly and are also very into their music. They may head bob or sing along to their music.
That kid was such a rap daddy, he kept singing out his music so loud, it was very annoying.
by Children of the Corn July 22, 2009