One who lives in a state of compulsive ignorance.

lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin

–noun.
a person able to ignore or deny certain realities, such as racism, sexism, classism, sexualism, ableism, or religious prejudice by virtue of the privilege associated with membership within a dominant group.

Simple Version: A person who just doesn't "get it".

Word Origin & History
A play on words, the pronunciation of “Not-See” invokes the word “Nazi”. The crimes of the former are passive instead of active – those who would turn a blind eye to injustice rather than perpetrating it themselves. The ideologies of both, however, are predicated upon a certain egocentrism, social privilege, and stark self-versus-other mentality.

You have to say it out loud.