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1.
When astronauts get freaky in space the get astronaugty.
"Yazzie sure is an astronaughty astronaut."
"No one can hear you being astronaughty in space."
by lycan October 10, 2005
 
2.
A traveling skankadoodle; Someone who passess out ass worldwide
"That girl travels all over the country for that ass! She's an Astronaughty!"
by SlimGeneral June 26, 2009