Definition of spike:
a sort of very large nail; also, a piece of pointed iron set with points upward or outward; anything resembling such a nail in shape
to put alcohol or another intoxicating substance in a drink that previously did not contain such substances; to attack
from, usually, above the height of the net with the intent to send the ball straight to the floor of the opponent or off the hands of the opposing block
"he jumped down, wrenched the hammer from the armourerâ€™s hand, and seizing a nail from the bag, in a few moments he had spiked the gun. â€” Frederick Marryat, "Peter Simple", 1834"