The production of a crack sound.
The formation of cracks on a surface.
The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline.
Very, usually associated with praise.
Enjoyable.
That cracks; that produces a sharp sound as of something splitting or breaking.
Great.
A shake, quiver, or vibration.
To shake, quiver, or vibrate.
To fear; to be afraid.