When someone of the opposite sex (usually a female), teases you, but does not want a relationship of any sort - she is unfuckable, and impossible to win over, hence she's "unfuckwinable".

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.