1.A jocosely depreciative name for a dwelling or shop; a primitive dwelling; a shanty. (Slang, U.S.)
2.The structure of an object, process, organization, or anything viewed as complicated; used primarily in the phrase the whole shebang; as, it comes with unnecessary frills, but you have to buy the whole shebang. (informal)
3.(computers) The character sequence #!, which frequently begins shell scripts in a Unix system.