a bright idea

a bright idea

A unique or shrewd thought. This phrase is often used in the negative or sarcastically to show the speaker's disapproval with a particular idea. That's really a bright idea—I think we should implement it into this process in the future. Of course his car is gone—parking in a tow zone was not a bright idea!
See also: bright, idea
Farlex Dictionary of Idioms.

*bright idea

a clever thought or new idea. (*Typically: have ~; get ~; give someone ~.) Now and then I get a bright idea. John hardly ever gets a bright idea.
See also: bright, idea
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

bright idea

A clever thought or plan. For example, John had a bright idea for saving space-we would each have a terminal but share the printer . This term uses bright in the sense of "intelligent" or "quick-witted" and may be employed either straightforwardly, as in the example above, or ironically, as in Jumping in the pool with your clothes on-that was some bright idea. [Late 1800s]
See also: bright, idea
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • bright idea
  • this ought to be good
  • this should be good
  • (one) will be lucky
  • (one) would be lucky
  • barrel of fun
  • (one) should be so lucky
  • (Is) that everything?
  • aforethought
  • are we having fun yet