Crack. To become mentally ill : Crack, a fracture (geology) in a rock;
To open a small amount crack. To break often without completely separating into parts the ice cracked in several places. Crack, a fracture (geology) in a rock;
What is Crack? Dangers, Effects, Addiction Rehab Guide
To make or cause to make a sound as if breaking crack a whip. To break or snap apart: To break or cause to break with a sudden sharp sound; To open a small amount crack.
