The phrase "gat wise to" is typically used to describe someone becoming aware of something or figuring something out. Antonyms for this phrase could include terms such as "confused," "bewildered," or "oblivious." Rather than being informed or knowledgeable about a situation, someone who is confused may have difficulty understanding or comprehending it. Similarly, someone who is bewildered is often confused, puzzled, or dazed. Someone who is oblivious is completely unaware or ignorant of a situation. These antonyms highlight the opposite of being "gat wise to," which involves having a clear understanding and awareness of a particular situation or circumstance.