1. bright spark - Noun
2. bright spark - Phrase
bright spark (plural bright sparks)
(colloquial, often ironic) A person who is intelligent, clever or quick-witted.
John's youngest is doing well at school. He's a bright spark, isn't he?
Then, as they stood there, struggling back and forth without avail, Eragon said in a low fierce voice, "I... see... you." A bright spark appeared in Arya's eyes, then vanished just as quickly. Christopher Paolini
All one needs is a computer, a network connection, and a bright spark of initiative and creativity to join the economy. Don Tapscott