( BrE , informal , often ironic ) a lively and intelligent person, especially sb young :
Some bright spark (= stupid person) left the tap running all night.
( BrE , informal , often ironic ) a lively and intelligent person, especially sb young :
Some bright spark (= stupid person) left the tap running all night.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005