To make or become cracked
To make a noise of something breaking
*To lose mental control
He paused near the crack in the ground.
He'd felt the earth crack open once before.
He too is helping to crack it.
She could wear men's clothes and crack that whip all she wanted, but she was still a woman at heart - and he knew it.
There was a small scream, then the crack of bone and ripping of flesh.