start the ball rollingto do something which starts an activity, or to start doing something in order to encourage other people to do the same
[TahlilGaran] Dictionary of Contemporary English ▲
start the ball rolling{informal} To start an activity or action; make a beginning; begin.
George started the ball rolling at the party by telling a new joke. Compare: KEEP THE BALL ROLLING.
See: GET THE BALL ROLLING.
[TahlilGaran] English Idioms Dictionary ▲