To shoe horn a solution into a problem for some convenient reason; to settle for less for convenience.
Derived from the stage name for Greg Brady in the Brady Bunch original episodes; Greg left the "Brady Six" and went solo. The Johnny Bravo stage presense was characterized by a matador suit. Greg Brady was chosen not for his voice or talent, but because he "fit the suit."
When something is Johnny Bravo, it fits your needs, even though it may not be the most qualified solution.
She was drunk, I was there, she settled. I was happy to play Johnny Bravo.
I couldnt find what i was looking for, so I Johnny Bravo'd on this car.
I was in the right place at the right time. I got Johnny Bravo'd for the job.
Affirmative action is nothing more than Johnny Bravo'ing people into job positions because they "fit the suit."