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A new word commonly used for replacement of Halo 2. This new term has no relevance to Halo 2 or any of the in game features.
"Hey,Want to go play losbos?" "Sure!"
"Losbos?" "Hell yeah!"
by Panda May 06, 2005
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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