Straigharoflux (also called Heterofluxromantic) is a romantic orientation on the aromantic spectrum. It is when one feels romantic attraction to the opposite gender (Heteroromantic), and has that attraction fluctuate in intensity (Aroflux). For example, one day they may feel Aromantic while the next day they may feel Grey-heteroromantic. This should not he confused with Heteroflexromantic. Heteroflexromantic is when you're mainly Heteroromantic but sometimes have romantic attraction to people of the same gender, this is a fluctuation in intensity meaning people who fluctuate between Heteroromantic and Aromantic, not Heteroromantic and Multiromantic.
Straigharoflux is supposed to be a romantic version of Straightflux. Straightflux was originally coined on November 2nd of 2018. The romantic version was coined by Itz henka gacha on 6 November 2021. Originally it was supposed to be named "Heterofluxromantic".
"Straight" stands for Heteroromantic, "Aro" stands for Aromantic/Aro-spec and "flux" for fluctuating in intensity.