The term applies to "dry-humping" the bathtub floor in the middle of having a bath. This may be performed with the use of a sex toy; something that may be mounted on the bathtub floor with which the penis may be inserted into.
The decrease in friction results in no chafing after easily having an orgasm in the water.

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.