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used to describe a girl who is so hot, just thinking about her apparently renders you unable to speak coherently.

Originates from trying to say either "she's a total babe", or "she's the hottest babe on the planet". But all that comes out is "she's a babe planet" or "total babe planet", so you basically end up call the girl a planet. Flattering.
"Do you want to see the Harry Potter movie with me?"
"Yeah, I'm a huge fan... plus Emma Watson is a babe planet."
Did you just call her a planet??
by PartyIn163Simmons November 04, 2010
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