Top Definition
n. Any dangerous activity that might result in a broken neck. Originally used in radical skateboarding it is now used in everyday situations. Also a sexual euphemism.

I'm going to tell the boss where he can stick his stupid new ideas for productivity.

Have you given anyone a spinal fusion precursor before?

A couple of times, but don't change the subject.
by gnostic1 February 09, 2012
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