sparkplug
Speech parts
1. sparkplug - Noun
2. sparkplug - Verb
Meaning
sparkplug (plural sparkplugs)
Alternative form of spark plug
sparkplug (third-person singular simple present sparkplugs, present participle sparkplugging, simple past and past participle sparkplugged)
(transitive) To serve as the driving force behind (a new endeavour).
Synonyms
Examples
I've only read two books in my life: Baseball Sparkplug and Love Story.