Idiom: To drop the ball
Example: Last week, my wife received all of our monthly bills. She wrote the checks, put them in envelopes and asked me to mail them the next day. I forgot. Now all of our bills are late. I can't believe I dropped the ball like that! My wife is so angry.
Meaning: To drop the ball means to not do or perform your responsibility. When you have a duty or responsibility and you forget to do it or don't do it well, you drop the ball.
By Iain McConnell, #DTLAcampus