A fork of Rural Dictionary
When a guy gets a blowjob in zero gravity and nuts into the air, the girl must then try to catch the cum in her mouth and swallow, this is called the astronut.
Neil Armstrong: I gave Sally Reid a nice astronut on our last mission.
When an astronaut masturbate and cums in space.
Jared was so lonely and bored that he astronutted atleast twice daily.
When you forcibly jam one testicle in your partners ass while thrusting in her space
Borty entered her assmosphere with his astronut lollipop during blast off!