A gay who explores places where no man has been before.
Jared Mezzochi is an asstronaut
by Andrei May 15, 2004
Male who has a particular penchant for anal sex or one who is known for being skilled in this dark art. The Asstronaut is said to seek deep space, making it a clever play on words.
Toby is famed for being an Asstronaut and likes nothing more than probing your anus.
by Mel Carroll May 23, 2008
A term describing a person who with minimal effort gets huge amounts of ass. The term was first used by negro rapper "Dr. Dre" in the song "Keep Their Heads Ringin'".
"Treyshon is a fucking asstronaut! Did you se those bitchis he brought home yesterday?" "i get plenty of ass, call me an asstronaut"
by Mr. Arafat July 01, 2011
A person who is a coat-tail rider, especially in the case of musicians. Having no real talent of their own, they attatch themselves to the asshairs of the talented much like a dingleberry to attempt to ride their hard work and dedication to the stars. A.K.A. Asstronaut.
"That dude tried to tell me he WROTE that whole album, but I heard the band playing it two years before he joined. Lyin BASTARD. He only joined cause they put that record out in the first place. He probably thinks he's gonna be on mtv or some lame shit like that. haha what a fuckin asstronaut."
by manos5150 January 16, 2007
A homosexual
See that guy? what an asstronaut!
by Anonymous July 14, 2003

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