Because "naai" is considered a highly offensive and vulgar term in most formal and social settings in South Africa, caution is advised when using or searching for this specific phrase. kwaai - Wiktionary, the free dictionary
: "Kwaai" is a central term in South African music history, particularly related to Kwaito , which is the "cool" or "fierce" music of the townships. In local urban culture, "Kwaai Naai" might be used as highly informal slang for a "cool person" or "cool guy," though this is extremely casual and can be offensive depending on who says it. Kwaai Naai -Volume 1-3gp
