Definition of "spiked" []

• Containing alcohol or drugs, often without the informing those who partake. (adjective)
• Having spikes. (adjective)
• Of a graph or trend that has rapidly reached a maximum. (adjective)
• Simple past tense and past participle of spike. (verb)

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• "The connection between those things: Online searches for the word spiked in August as Republicans and Democrats were arguing over the federal debt ceiling and a possible government shutdown loomed."
• "Drag your mouse over a section of the time line to zoom in and see exaclty which hour of the the day your term spiked or fell."
• "Litttle by little, girls were willing to go out in spiked, shaved heads with purple streaks, in low cut tight jeans that showed everything, in tight tops and straps showing, in short skirts, etc."