Drop the ball.
[Slang] DROP THE BALL. - Learn From Failures: Exploring "Drop the Ball
Fail to meet expectations.
To "Drop the ball" means to fail to meet expectations or to not perform a task successfully. It often pertains to situations where someone was trusted with a responsibility but failed due to negligence or oversight. This slang is popular in both professional and personal contexts.
Example Sentences
Oh man, he really dropped the ball on that project.
He seriously failed to complete that project successfully.
She can't afford to drop the ball during the presentation.
She must perform well and not fail during the presentation.
Dropping the ball on such an important task could really affect his career.
Failing to complete such an important task could have serious consequences for his career.