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1 definition by Senior Pants Party

 
1.
1.The Simultaneous Space docking between two women. (See Space Dock)

2.When Two women do an inverted sitting position and shit in each others pussy.
Brenda: I Want to do something different.
Butch: Lets do a cosmonaut!
Brenda: I hope you ate your fiber.

Lets Do The Cosmonaut tonight!
by Senior Pants Party November 03, 2006