a bright spark

Meaning

1. a lively and intelligent person, especially sb young

   Some bright spark (= stupid person) left the tap running all night.

In the movies · 1

• Murph is a bright spark.Interstellar2014

Learn it in full scenes

• Interstellar2014
  • The Ghost in Murph's Bookshelf
  • Cooper Stumbles Into Secret NASA
  • Cooper Says Goodbye to Murph

From the same entry

• bright and early
• bright as a button
• the bright lights
• a bright spot
• look on the bright side