shocked to the point of bouncing off of walls; a portmanteau of 'flubber' and 'flabbergasted'.

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.

to appear overcome with astonishment as a result of one's stomach being so gassy that one's stomach looks unusually flubby

The feeling of utter bowled-over amazement that Professor Brainard's observers felt during the Prof's assorted performances and demonstrations using flubber.