The term "What'cha Gonna Do" is not widely recognized as an established concept, title, or subject in authoritative encyclopedic sources. Accurate information regarding its definition, origin, or significance is not confirmed.
Etymologically, "What'cha Gonna Do" appears to be a colloquial contraction of the phrase "What are you going to do?" commonly used in informal spoken English. The contraction combines "What are you" into "What'cha" and "going to" into "gonna," reflecting casual speech patterns, particularly in American English.
Due to the lack of verifiable references, no definitive characteristics or related topics can be identified. The phrase may appear in song lyrics, film dialogues, or everyday conversation as an expression of inquiry, resignation, or challenge, but it does not denote a specific cultural, historical, or technical entity in documented sources.