Anyone, gay or straight, who is obsessed with anal sex and constantly takes their obsession to new heights.
"Why are you walking like that?"

"My new man's a real Kak Pipe Cosmonaut"
by lajopi 292 February 26, 2008
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The lord of common sense, nerd culture, and putting eccentric fanboys in their place.
That awesome guy gives me a cosmonaut variety hour vibe.
by EXTERIORSHAND February 4, 2020
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the science of space travel. It also involves the design of spacecraft, spacesuits and other accessories necessary for space flight.
She is studying cosmonautics in Moscow.
by uttam maharjan October 21, 2010
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a combination of the space dock and blumpkin, this is a three person maneuver. It is the act of receiving a blowjob while defecating in a vagina.
I was at jen's house last night with her and her girlfriend. I really enjoyed the hungry cosmonaut they let me give them. I was relieved in more ways than one.
by av8r November 4, 2009
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