A term for a butt of a thick girl, usually a thick juicy butt.
Damn, did you see her Spine Cushion?
Damn, she got one soft, fluffy Spine Cushion.
by Wntyrone07 May 14, 2017
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a word that kody uses to define the ass
wow she's got a nice a nice spine cushion there!
by mrs.12 May 13, 2017
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