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Two-word phrase used when one, or both, of a couple decide the time has arrived for sexual relations to commence.
Wow, babe...I had no idea you'd look THAT good in Saran Wrap. Sex on!
by Nipplemann January 21, 2010
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Sexon is an abstract numerical value represented symbollically by an underwear. For all definitive purposes, it exists somewhere in the thereotical void between six and seven.
"Sexon: It's not quite 6, it's not quite 7, but it sure as hell ain't 6.5!"
by Anu January 29, 2005
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Abstract verb implying the getting on of sex. Can be used in any situation to any effect.
i just pwned some noob, 'sexon'!
by Tasi kinia'lofa September 10, 2008
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