A term approved by "The Dictionary Of Ebonics" to describe an individual who has been diagnosed with autism. Artism has been known to be heavily associated with educated mental health professionals who are of the oppressed alternatively pigmented American population.
Mental Health Professional:"I work with peoples who have artism and ass burgers."
Enlih Dictionary Tree Hugger: "You got a masters degree to work with people who draw pictures of burgers with their ass?"
It is the tag name of World Famous Musician Sketch A Peaze
And he owns a clothing brand called Youth 2 Heal and Recording Label God Devil Records and Film Company Palmetto St Films Productions so he is flawless & multiply talented with no end in sight.
Person 1 : Hey Sketch A Peaze's Tag Name is Fire as Hell Bro!
Person 2: Yeah Bro Tha Artist Vitton Don is the Example of flawlessness and ever looking cool and swagged out.
an unknown artist is an unheard of yet a highly underrated and slept on public figure or artist that the world lacks the knowledge to learn about or appreciate
Ergo, junior Grimes = unknown artist
Or artist unknown, either way the outcome is the same