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 time locked 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.