Brisasexual

Highsexual or brisasexual is a sexuality that changes when one is high, or the sudden reversal of one's sexual orientation after smoking marijuana.

History
This term appears to have been coined on July 9th of 2009 by friedkabob1225 on the Urban Dictionary, however it is unknown if this is the original point of coining.

Flag
The flag was coined by Tumblr user Beyond-Mogai-Pride-Flags on February 4th of 2019. It has no confirmed meaning.