Used to describe something shitty.

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.

an extremely negative or poor attitude towards something.

a combination of the words "bullshit" and "funk".

Bogus. Not genuine. Counterfeit. A total sham. Illegitimate. Nonsense.

slang; meaning wack or extremely strange, originating on a low rent island in Maine. For some thing to be bunk it must make you want to cry laugh hysterically or most commonly; run for you life.

Nonsense, utter rubbish, BULLSHIT.

Low quality marijuana. In various songs and used by dealers and potheads everywhere.