The term 'Lose Yourself Rapper' refers to the American rapper Eminem, who is best known for his hit song 'Lose Yourself'. Eminem has released eight studio albums and won numerous awards, including 15 Grammy Awards. His stage name is a portmanteau of his real name Marshall Mathers and his alter ego Slim Shady. The two crossword solutions for this term are EMINEM (6 letters) and EMNEM (5 letters).