Tremousexual is a type of sexual fluidity where someone’s sexuality changes between several specific sexualities over a period of time. Tremousexuals never gain a new sexuality. This is similar to abrosexual except a tremousexual person only is fluid between the same select sexualities.
Trerassexual is similar to tremousexual. The definition for trerassexual is the same as tremousexual, but tremousexual's sexualities change much slower than trerassexuals. The tremousexual pride flag has a steam train symbol on it, which is significantly slower then a bullet train. The trerassexual pride flag has a bullet train symbol on it. To show that trerassexual is faster than tremousexual.
Etymology
Tremou comes from the Greek word for steam train (τρένο ατμού/tréno atmoú)