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A sexual play on the word "Bonus". To get an extra delicious fuck! after you've had regular sex.
"I guess I must've done something right, I got a "bone-ass" last night, so I'm feeling pretty good today!
by cybercass March 14, 2009
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When you get boned in the ass and your boss gives you a bonus
Nikki was a very good employee this year, she deserves a good boneass.
by fine nine09 January 01, 2009
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