Drop the ball and Slip up

Drop the ball verb - Commit a faux pas or a fault or make a serious mistake.

Slip up and drop the ball are semantically related in struggle topic. In some cases you can use "Slip up" instead a verb phrase "Drop the ball", when it comes to topics like err, make a mistake, miscalculate, do wrong.

Slip up verb - To make a mistake.

Drop the ball and slip up are semantically related in struggle topic. You can use "Drop the ball" instead a verb "Slip up", if it concerns topics such as err, make a mistake, miscalculate, do wrong.