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1 definition by bob saget 007

 
1.
space⋅dock⋅ing speys-dok-ing

–noun
1. the act of two spacecraft joining together.

2. the act of a person or inserting feces into the vagina of another female person.

3. the act of a person or animal defecating into the ass or vagina of another person or animal, the recipient of which then excretes the feces they just received back into the donor anus, this cycle usually continues until someone is sexually gratified.
Yes in the Aristocrats movie a comedy writer explains that space-docking is where you take a shit in a girl's pussy...however I believe there is a more accurate description...
"Okay, obviously there's a bit of confusion here, after reading the video and comments. "Docking" is when a man rolls his foreskin over another man's penis. Using a frozen shit (usually in a condom) as a dildo is an Alaskan Pipeline. Space-docking is when one person shits in to another person's ass and they pass the shit back and forth between each other, shitting it in to each others' asses. Kind of like Lady and the Tramp, but only with shit instead of spaghetti."
-petrofang
a comment on you tube video - GaBDZEMmJHA
by bob saget 007 May 29, 2009