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1.
To copy homework with no understanding of how to do it. Typically accomplished in the 10 minutes before said homework is due.

Originates from the Colorado School of Mines, where cold spiking is so revered that every year they award a prize for the best spiker.
Hey Jeremy! Let me cold spike your thermo or I'll beat you bloody.
by Spjorkster March 10, 2005
 
2.
It's just the same as ice cream.
Damn, I need some cold spike!
by Captain Sexor April 28, 2005