To make progress on the community garden project, she got the ball rolling by organizing the first volunteer day.

After he shaved his head, he looked bald as a billiard ball in the family photos.

Before we start the renovation, the contractor gave us a few ball park estimations to help with budgeting.

At the planning meeting, several ball-park estimations were offered to help prioritize tasks.

Before we sign the contract, we need some ball park estimates to decide whether the project is feasible.

In research on BDSM practices, cock and ball torture is often discussed as a high-risk activity that requires explicit consent and rigorous safety precautions.

Please hand me a ball-point pen from the drawer.

He reached for the ball-pein hammer to shape the metal rivets.

We were behind the 8-ball after the client doubled the scope at the last minute.

The surgeon carefully examined the patient's damaged ball and socket joint before planning the operation.