This is used in context of "he wouldn't bust a grape" as in he won't do shit. It's like saying someone wouldn't harm a fly as opposed to busting a cap, the sucka wouldn't bust a grape. Get it right youngsters.

Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.

Become violent. Snap out

(male slang): for a man to masterbate or 'jack-off' where one of his testicles 'busts'