What is AKA? What does AKA mean?

Also called, also called.

Aka is the abbreviation of alsoknownas, which means also called, also called. When someone or something has a very famous alias, aka will be used to introduce it.

Aka is often used in rap. Especially someone's well-known nickname or stage name is introduced by aka. Generally speaking, people who prefer to play rap like to add aka before introducing their aliases.