when the crack on a person's skull is resealed or reformed.

A maniac or a lunatic.

When a person has a flat ass, it sometimes appears that their back and butt are in fact one body part stretching from the neck to the top of the legs, and the only distinguishing feature is the crack of their butt cheeks.

A female whose life revolves around fucking over those she knows and doesn't even know and denies the obvious such as stealing your belongings while this loser crack back reject is wearing your very stylish clothes and in possession of your personal belongings.

This snake has no morals or conscience and lies thru the very cracked back where a real human possesses a spine.