A ghost penis is an invisble penis you can't feel. Every female has one, you just can't see it. You can look behind it though.

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.

ghosts of the past penises that you have been penetrated with

A clumpy fold in your pants that looks like an erected penis.

Origin:
Anthony Padilla from Smosh mentioned having a ghost penis in his video "the gym hates me".

When one becomes very high they may suddenly feel the urge to put two random words together and act as if they make a thought.