The phrase "art crazy about" refers to someone who is passionate about art, or who has a deep appreciation for it. Antonyms for this phrase could include disinterested, indifferent, unenthusiastic, or apathetic. These words describe someone who lacks interest in art or who does not appreciate its value. Other antonyms might include dismissive, disdainful, or contemptuous, which suggest a negative attitude towards art. It's important to note, however, that while someone may not be "art crazy about" something, it doesn't necessarily mean they dislike it - they may simply have other areas of interest or expertise.