Idiom: to drop the ball = to make a mistake especially by not doing something important: I think the mayor dropped the ball by not hiring more police officers. #IdiomCards ━━━━━━━━━━━━━━━ ☞» @CambridgeWords ☞» @PhrasalVerbsIdioms ☞» @American_English_Club 2.3K views11:13