She examined the old coin collection and found multiple quarter cracks running along the rims of several coins.

At the family picnic, several toddlers' bum cracks were visible when they bent over to pick up toys.

Every winter morning the workshop's radiator steam-cracks as pressure builds.

At the old theater, you could see people's ass cracks whenever they stood up too quickly.

After bending over to pick up the groceries, he realized his butt cracks were visible through his tight jeans.

She cracks a book at her desk every night to prepare for the exam.

During the rehearsal, his frequent voice cracks worried the director.

She cracks up every time she watches that comedy special.

When someone criticizes his recipe, he cracks wise to defuse the tension.

When the old plaster gets wet, it cracks out in long, jagged lines across the ceiling.