sparkplug

[spahrk-pluhg]

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verb (used with object), spark·plugged, spark·plug·ging. Informal.

to lead, inspire, or animate something or someone.

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Origin of sparkplug

v. use of spark plug

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sparkplug

Historical Examples

Burns picked up a sparkplug from the office desk as he spoke.
Red Pepper Burns
Grace S. Richmond