Used mainly in the UK with several regional varioations possible. (1) A post-coital reddening of the face and neck. A blush suggesting a recent knee-trembler or severe embarrassment. (2) In card games: 5 entirely unrelated cards. (3) 'The Knoydart Flush' were a East Scottish folk rock act, featuring members from Siege Engine and Tayport Conversion.

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.