The term "gat wise to" is a colloquialism that means to become aware or knowledgeable about something. The pronunciation of "gat wise to" is /ɡæ̃t waɪz tu/. The "gat" in this phrase is an archaic form of "got." The word "wise" is pronounced as /waɪz/ and the preposition "to" is pronounced as /tu/. The spelling of this term may seem confusing, but it is commonly used in spoken language and is understood by native English speakers.