Drop the ball and Fall down

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

Fall down and drop the ball are semantically related in struggle topic. In some cases you can use "Fall down" instead a verb phrase "Drop the ball".

Fall down verb - Lose an upright position suddenly.

Drop the ball and fall down are semantically related in struggle topic. Sometimes you can use "Drop the ball" instead a verb "Fall down".