Any individual who has an excessive fetish for outer space or astronomic topics as to (almost) turn it into a sexual tendency
While zoophiles spend their leisure time in barns or pet stores, astrosexuals spend most of their timelocked inside local observatories allegedly "searching the skies for new discoveries"
Noun - The act of Analing your Victim till stimulation from your penis/strap-on causes the receiver to take a shit , The shit is powerful enough to mold around your submurged cock. causing the shape of the shit to look like a rose.
Hey baby you want a dozen roses or just one really good ass rose.