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A brief electrical event of 3 to 25 milliseconds that gives the appearance in the electroencephalogram of a rising and falling vertical line.
An elongated indeterminate inflorescence in which the flowers are attached directly to a common stem, rather than borne on individual stalks arising from the stem. The gladiolus produces spikes. The distinctive spikes of grasses such as wheat or barley are known as spikelets. See illustration at inflorescence.
To inject narcotics; shoot up: if he came home and found her spiking up (1960s+ Narcotics)
A hypodermic needle (1934+ Narcotics)verb
[all senses fr spike, ''large nail,'' hence ''sharp point''; the sense ''to reject'' may be fr the earlier phrase spike a gun, ''render a cannon useless by driving a spike into the touchhole,'' or fr the notion of dealing with a paper, bill, manuscript, etc, by impaling it on a spindle or spindle file]