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A person or entity on Twitter that tweets about space. Includes astronauts, NASA and other space program employees, astronomers, journalists, astrophysicists, scientists, educators, and space geeks. See
Being the first person to tweet from space makes @Astro_Mike the ultimate space tweep.
by flyingjenny November 07, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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Geeks on Twitter who are addicted to all things space. Most follow all of the NASA tweets and enjoy meeting up at launches and meeting astronauts. Synonym: space geek
Hey, look at those SpaceTweeps over there who are tweetin about space with a silly bird on their chest
by thenasaman February 20, 2010
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10" high plush doll.

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