[3] Thomas has been performing since 2009 and has till date brought out a catalog of mixtapes and freestyle renditions, apart from making a few guest appearances in music videos of other artists.
With production credits from Key Nyata, SpaceGhostPurrp, Lil Ugly Mane, with vocal features from some members of Raider Klan including long-time friend Denzel Curry; both mixtapes largely pay tribute to the gangsta-funk genre of hip hop he grew up listening to.
Yung Simmie is credited to have featured vocals on Denzel Curry's Nostalgic 64 in a song titled "Threatz", which Mike Madden of Pitchfork Magazine listed as his top 10 individual tracks of 2013.
[11] He started working on his debut studio album Shup Up and Vibe 2 with the release of two lead singles titled "Full Metal" which peaked at No.
[14] The album was released on July 7 through Raider Klan Records and enlists the production services of Eskay, Reazy Renegade, DJ Smokey, Trill Will amongst others with vocal appearances from Robb Banks, Pouya, Cashy and Denzel Curry.
[19] On December 18, he dropped OG Smoke, a 6-track EP which features only Denzel Curry in vocal capacity and production from captaincrunch, HighAF, Jay$plash and Yung Icey Beats.
With singles like "Shoot Da 3", "Bucks", "Drama Time" and "Underground King", the albums won him a spot in Vibes`s "30 Florida Rappers You Need To Hear.
[24] As per the Billboard magazine, slow trap beats, boastful lyrics, multiple references to drugs, alcohol and sex form the leitmotifs of Thomas' rap songs.