A confection made of bones in celebration of a canine's birthday.
"My dog turned ten years-old today"
"That's amazing what type of festivity do you have planned?"
"My mom made him a bone cake. He'll love it!"
"Awesome. Everyone knows that bone cakes are every dogs favorite dessert!!!"
by Kona Gold September 8, 2009
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The rating of one's ass by rating it on a scale from as flat as a BONE, to as big and delicious as a WEDDING CAKE.
"Damn Riley, what would you rate Sabryn's ass from Bone to Wedding Cake?"

"Definitely a birthday cake"
by Riley Smirga (Nedz) December 5, 2016
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