Polyamorish is a partnership that is typically polyamorous, but with occasional exceptions. This could be due to being wavership, or due to at least one partner being ambiamorous/monopoly or fidelityflux/gamyflux.
It is a counterpart to monogamish.
It is possible the term was coined by the Tumblr blog polyadvice on or before May 23rd, 2016.
The flag was coined by beyond-mogai-pride-flags on July 26th, 2019.