[ spahrk-pluhg ]
/ ˈspɑrkˌplʌg /

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

to lead, inspire, or animate something or someone.

Origin of sparkplug

v. use of spark plug Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sparkplug

  • Burns picked up a sparkplug from the office desk as he spoke.

    Red Pepper Burns|Grace S. Richmond