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Adj. To engage in sexual activity with a man who is so well endowed that it feels as if your are being poked in the spine.
Wow that guy last night was so huge I feel like I got Spine Fucked.
by 526PLM April 02, 2009
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To rip someones head off and thrust your penis down the spinal column until ejaculation.
That bitch just wanted to get spinefucked
by EJD May 23, 2003
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