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Somebody who has strong ideals and strong ways of stating those ideals.

Somebody who says what they mean, and means what they say.
"That guy's got a spine, if Spiderman exists."

"She's got quite a spine there."

"Bob has quite the spine to make such a dirty comment"
by katiek August 28, 2006
61 17
An extremely attractive part of the human body. An important trait looked for in a mate.
"Woah, did you see Justin? Damn he's fine. Look at that spine..."
by iLIKEspinez February 26, 2009
25 9
A euphamism for penis, usually used on internet forums.
Would you like to see a pic of my sPine?
by Simon Sipovsky May 08, 2007
13 37