Jeffery Lee Johnson Jr. (born April 2, 1990), better known by his stage names Roscoe Dash, is an American rapper, singer, and songwriter. He is best known for his debut single "All the Way Turnt Up", which peaked at number 46 on the Billboard Hot 100 in January 2010. He is also known for featuring on "No Hands" by Waka Flocka Flame the same year, and "Marvin & Chardonnay" by Big Sean in 2011, both reaching 13 and 32 respectively on the Billboard Charts. Johnson also has numerous accolades as a songwriter, ghostwriting for various names in the industry.